“But my parents were optimists. They looked at half a glass of water and figured it was half full, not half empty. Not me. Scientists can’t afford to be optimists or pessimists. They just observe the world and see what is. They look at a glass of water and measure 3.75 ounces or whatever, and that’s the end of the discussion.”

“But my parents were optimists. They looked at half a glass of water and figured it was half full, not half empty. Not me. Scientists can’t afford to be optimists or pessimists. They just observe the world and see what is. They look at a glass of water and measure 3.75 ounces or whatever, and that’s the end of the discussion.”

— Katherine Applegate