"The main misfortune, the root of all the evil to come, was the loss of confidence in the value of one’s own opinion. People imagined that it was out of date to follow their own moral sense, that they must all sing in chorus, and live by other people’s notions, notions that were being crammed down everybody’s throat."

"Today will still yearn to know why we are here and where we came from. Humanity's deepest desire for knowledge is justification enough for our continuing quest. And our goal is nothing less than a complete description of the universe we live in."

"If you can’t see the feelings in a donkey, a ship, or a delicate tool, then it’s just as easy to not see them in your brother or sister when you can profit by treating them badly."

"The way of the superior person is threefold; virtuous, they are free from anxieties; wise they are free from perplexities; and bold they are free from fear."

"Ah, child and youth, if you knew the bliss which resides in the taste of knowledge, and the evil and ugliness that lies in ignorance, how well you are advised to not complain of the pain and labor of learning."

"A portrait is not a likeness. The moment an emotion or fact is transformed into a photograph it is no longer a fact but an opinion. There is no such thing as inaccuracy in a photograph. All photographs are accurate. None of them is the truth."