“Just a few centuries ago, the smartest humans alive were dead wrong about damn near everything. They were wrong about gods. Wrong about astronomy. Wrong about disease. Wrong about heredity. Wrong about physics. Wrong about racism, sexism, nationalism, governance, and many other moral issues. Wrong about geology. Wrong about cosmology. Wrong about chemistry. Wrong about evolution. Wrong about nearly every subject imaginable.”

“If you want to reach a goal, you must “see the reaching” in your own mind before you actually arrive at your goal.”

“Use your brain, not your endurance.”

“If you are not willing to risk the unusual, you will have to settle for the ordinary.”

“The greater danger for most of us lies not in setting our aim too high and falling short;
but in setting our aim too low, and achieving our mark.”

“Let us learn to appreciate there will be times when the trees will be bare, and look forward to the time when we may pick the fruit.”

“When it is not in our power to follow what is true, we ought to follow what is most probable.”