Top 200 Knowledge Quotes (2025 Update)
Page 3 of 4

101. “The cure for a fallacious argument is a better argument, not the suppression of ideas.”

— Carl Sagan

102. “As every divided kingdom falls, so every mind divided between many studies confounds and saps itself.”

— Leonardo da Vinci

103. “Nothing can be loved or hated unless it is first understood.”

— Leonardo da Vinci

104. “You are not entitled to your opinion. You are entitled to your informed opinion. No one is entitled to be ignorant.”

— Harlan Ellison

105. “Knowledge is power.”

— Francis Bacon

106. “Mistakes are, after all, the foundations of truth, and if a man does not know what a thing is, it is at least an increase in knowledge if he knows what it is not. ”

— C.G. Jung

107. “A loving heart is the beginning of all knowledge.”

— Thomas Carlyle

108. “Think deeply about things. Don’t just go along because that’s the way things are or that’s what your friends say. Consider the effects, consider the alternatives, but most importantly, just think.”

— Aaron Swartz

109. “If you have knowledge, let others light their candles in it.”

— Margaret Fuller

110. “Fun is just another word for learning.”

— Raph Koster

111. “Learning gives creativity. Creativity leads to thinking. Thinking provides knowledge. Knowledge makes you great.”

— Abdul Kalam

112. “What we know is a drop, what we don’t know is an ocean.”

— Isaac Newton

113. “Faith is a knowledge within the heart, beyond the reach of proof.”

— Khalil Gibran

114. “Knowledge is power but only wisdom is liberty.”

— Will Durant

115. “I have always imagined that Paradise will be a kind of library.”

— Jorge Luis Borges

116. “Thoughts without content are empty, intuitions without concepts are blind.”

— Immanuel Kant

117. “In youth we learn; in age we understand.”

— Marie von Ebner-Eschenbach

118. “To know, is to know that you know nothing. That is the meaning of true knowledge. For a man who claims to have knowledge, while actually knowing nothing, is less smart than you, who claim to know nothing.”

— Socrates

119. “If you really want to understand something, the best way is to try and explain it to someone else.”

— Douglas Adams

120. “We need to teach how doubt is not to be feared but welcomed. It’s OK to say, “I don’t know.””

— Richard P. Feynman

121. “There is no greater education than one that is self-driven.”

— Neil deGrasse Tyson

122. “Mathematics is the key and door to the sciences.”

— Galileo Galilei

123. “No pessimist ever discovered the secret of the stars or sailed an uncharted land, or opened a new doorway for the human spirit.”

— Helen Keller

124. “Science is a way of thinking much more than it is a body of knowledge.”

— Carl Sagan

125. “Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.”

— Malcolm X

126. “We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good.”

— Carl Sagan

127. “I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.”

— Albert Einstein

128. “You don’t have to burn books to destroy a culture. Just get people to stop reading them.”

— Ray Bradbury

129. “Learning is definitely not mere imitation, nor is it the ability to accumulate and regurgitate fixed knowledge. Learning is a constant process of discovery – a process without end.”

— Bruce Lee

130. “There is no learning without having to pose a question. And a question requires doubt.”

— Richard P. Feynman

131. “No problem can withstand the assault of sustained thinking.”

— Voltaire

132. “One of the very important characteristics of a student is to question. Let the students ask questions.”

— Abdul Kalam

133. “The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.”

— Isaac Asimov

134. “There are none so blind as those who will not see. The most deluded people are those who choose to ignore what they already know.”

— John Heywood

135. “It is better to know some of the questions than all of the answers.”

— James Thurber

136. “It is not enough to have a good mind; the main thing is to use it well.”

— René Descartes

137. “Knowledge is knowing a tomato is a fruit; wisdom is not putting it in a fruit salad.”

— Miles Kington

138. “Imagination is more important than knowledge.”

— Albert Einstein

139. “The difference between where you are today and where you'll be five years from now will be found in the quality of books you've read.”

— Jim Rohn

140. “I learned very early the difference between knowing the name of something and knowing something.”

— Richard P. Feynman

141. “One does not become enlightened by imagining figures of light, but by making the darkness conscious.”

— C.G. Jung

142. “Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.”

— Louis Pasteur

143. “The true sign of intelligence is not knowledge but imagination.”

— Albert Einstein

144. “Think for yourself and let others enjoy the privilege of doing so too.”

— Voltaire

145. “The man who reads nothing at all is better educated than the man who reads nothing but newspapers.”

— Thomas Jefferson

146. “An expert is a man who has made all the mistakes which can be made, in a narrow field.”

— Niels Bohr

147. “Treat with utmost respect your power of forming opinions, for this power alone guards you against making assumptions that are contrary to nature and judgments that overthrow the rule of reason.”

— Marcus Aurelius

148. “The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.”

— Carl Sagan

149. “Real knowledge is to know the extent of one’s ignorance.”

— Confucius

150. “Get books, sit yourself down anywhere, and go to reading them yourself.”

— Abraham Lincoln