Top 500 Isaac Asimov Quotes (2025 Update)
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101. “Life is glorious when it is happy; days are carefree when they are happy; the interplay of thought and imagination is far superior to that of muscle and sinew.”

— Isaac Asimov

102. “You don’t have to be able to lay eggs to know when one of them is rotten.”

— Isaac Asimov

103. “Naturally, there’s got to be a limit for I don’t expect to live forever, but I do intend to hang on as long as possible.”

— Isaac Asimov

104. “I expect death to be nothingness and, for removing me from all possible fears of death, I am thankful to atheism.”

— Isaac Asimov

105. “The closer to the truth, the better the lie, and the truth itself, when it can be used, is the best lie.”

— Isaac Asimov

106. “The advance of genetic engineering makes it quite conceivable that we will begin to design our own evolutionary progress.”

— Isaac Asimov

107. “You are never too old to learn more than you already know and to become able to do more than you already can.”

— Isaac Asimov

108. “It’s humbling to think that all animals, including human beings, are parasites of the plant world.”

— Isaac Asimov

109. “You can’t assert an answer just because it’s not something else.”

— Isaac Asimov

110. “No one can possibly have lived through the Great Depression without being scarred by it. No amount of experience since the depression can convince someone who has lived through it that the world is safe economically.”

— Isaac Asimov

111. “All life is nucleic acid; the rest is commentary.”

— Isaac Asimov

112. “Nothing interferes with my concentration. You could put on an orgy in my office and I wouldn’t look up. Well, maybe once...”

— Isaac Asimov

113. “And above all things, never think that you’re not good enough yourself. A man should never think that. My belief is that in life people will take you at your own reckoning.”

— Isaac Asimov

114. “There is no belief, however foolish, that will not gather its faithful adherents who will defend it to the death.”

— Isaac Asimov

115. “Any fool can tell a crisis when it arrives. The real service to the state is to detect it in embryo.”

— Isaac Asimov

116. “Inspect every piece of pseudoscience and you will find a security blanket.”

— Isaac Asimov

117. “When I die I won’t go to heaven or hell; there will just be nothingness.”

— Isaac Asimov

118. “Science is a set of rules to keep us from telling lies to each other. All scientists really have is a reputation for telling the truth.”

— Isaac Asimov

119. “You wait for the war to happen like vultures. If you want to help, prevent the war. Don’t save the remnants. Save them all.”

— Isaac Asimov

120. “I don’t subscribe to the thesis, ‘Let the buyer beware,’ I prefer the disregarded one that goes, ‘Let the seller be honest.’”

— Isaac Asimov

121. “Oh, for a pin that would puncture pretension!”

— Isaac Asimov

122. “The true artist is quite rational as well as imaginative and knows what he is doing; if he does not, his art suffers.”

— Isaac Asimov

123. “You show me someone who can’t understand people and I’ll show you someone who has built up a false image of himself.”

— Isaac Asimov

124. “Experimentation is the least arrogant method of gaining knowledge. The experimenter humbly asks a question of nature.”

— Isaac Asimov

125. “No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be.”

— Isaac Asimov

126. “If we only obey those rules that we think are just and reasonable, then no rule will stand, for there is no rule that some will not think is unjust and unreasonable.”

— Isaac Asimov

127. “It takes more than capital to swing business. You’ve got to have the A. I. D. degree to get by – Advertising, Initiative, and Dynamics.”

— Isaac Asimov

128. “Theories are not so much wrong as incomplete.”

— Isaac Asimov

129. “Unfortunately, in many cases, people who write science fiction violate the laws of nature, not because they want to make a point, but because they don’t know what the laws of nature are.”

— Isaac Asimov

130. “If you have talent, you will receive some measure of success – but only if you persist.”

— Isaac Asimov

131. “Psychohistory was the quintessence of sociology; it was the science of human behavior reduced to mathematical equations. The individual human being is unpredictable, but the reactions of human mobs, Seldon found, could be treated statistically.”

— Isaac Asimov

132. “If you’re born in a cubicle and grow up in a corridor, and work in a cell, and vacation in a crowded sun-room, then coming up into the open with nothing but sky over you might just give you a nervous breakdown.”

— Isaac Asimov

133. “My feeling is, quite simply, that if there is a God, He has done such a bad job that he isn’t worth discussing.”

— Isaac Asimov

134. “It is well-known that the friend of a conqueror is but the last victim.”

— Isaac Asimov

135. “It’s just science fiction so it’s allowed to be silly, and childish, and stupid. It’s just science fiction, so it doesn’t have to make sense. It’s just science fiction, so you must ask nothing more of it than loud noises and flashing lights.”

— Isaac Asimov

136. “It pays to be obvious, especially if you have a reputation for subtlety.”

— Isaac Asimov

137. “Finished products are for decadent minds.”

— Isaac Asimov

138. “Intuition is the art, peculiar to the human mind, of working out the correct answer from data that is, in itself, incomplete or even, perhaps, misleading.”

— Isaac Asimov

139. “Nothing has to be true, but everything has to sound true.”

— Isaac Asimov

140. “Even as a youngster, though, I could not bring myself to believe that if knowledge presented danger, the solution was ignorance. To me, it always seemed that the solution had to be wisdom. You did not refuse to look at danger, rather you learned how to handle it safely.”

— Isaac Asimov

141. “Every religion seems like a fantasy to outsiders, but as holy truth to those of the faith.”

— Isaac Asimov

142. “No vision of God and heaven ever experienced by the most exalted prophet can, in my opinion, match the vision of the universe as seen by Newton or Einstein.”

— Isaac Asimov

143. “Scientists derive satisfaction from figuring out the puzzle. It’s about the quest, not the grail.”

— Isaac Asimov

144. “Surely no child, and few adults, have ever watched a bird in flight without envy.”

— Isaac Asimov

145. “Human beings sometimes find a kind of pleasure in nursing painful emotions, in blaming themselves without reason or even against reason.”

— Isaac Asimov

146. “I believe that scientific knowledge has fractal properties, that no matter how much we learn, whatever is left, however small it may seem, is just as infinitely complex as the whole was to start with. That, I think, is the secret of the Universe.”

— Isaac Asimov

147. “Having no unusual coincidence is far more unusual than any coincidence could possibly be.”

— Isaac Asimov

148. “Where the stars are scattered thinly,′ quoted Barr, ‘And the cold of space seeps in.”

— Isaac Asimov

149. “The vast majority, who believe in astrology and think that the planets have nothing better to do than form a code that will tell them whether tomorrow is a good day to close a business deal or not, become all the more excited and enthusiastic.”

— Isaac Asimov

150. “A persistent rumor has circulates in the USA: There are two intelligent races living on the surface of planet Earth: the standard people and the hungarians.”

— Isaac Asimov