“Is it too much to expect from the schools that they train their students not only to interpret but to criticize; that is, to discriminate what is sound from error and falsehood, to suspend judgemen...”

“Wonder is the beginning of wisdom in learning from books as well as from nature.”

“There are genuine mysteries in the world that mark the limits of human knowing and thinking. Wisdom is fortified, not destroyed, by understanding its limitations. Ignorance does not make a fool as ...”

“True freedom is impossible without a mind made free by discipline.”

“In short, we can only learn from our "betters".”

“What reaches the heart without going through the mind is likely to bounce back and put the mind out of business.”

“Nourish your reasoning skills my friend, they are the most effective tool you can ever have in the path of progress.”

“I have been known to think outside of all rules. Even my own.”

“If people don't want you to question something, that probably means you should question it.”

“When the mind wants to hope it refuses to listen.”

“Sweet are the thoughts that savour of content, The quiet mind is richer than a crown...”

“It turns out that the men who ultimately, who unpretentiously value peace are willing to sacrifice their own peace of mind in order to render it. The question is, 'Who, between opposing forces, wou...”

“Thinking is the hardest work anyone can do, which is probably the reason why we have so few thinkers. ”

“Perhaps the logical conclusion of everyone looking the same is everyone thinking the same.”

“I could not think without writing.”