“I think that we should be eternally vigilant against attempts to check the expression of opinions that we loathe and believe to be fraught with death, unless they so imminently threaten immediate i...”

“Young man, the secret of my success is that at early age I discovered that I was not God.”

“The main part of intellectual education is not the acquisition of facts, but learning how to make facts live.”

“The advice of the elders to young men is very apt to be as unreal as a list of the hundred best books.”

“A mind that is stretched by a new experience can never go back to its old dimensions.”

“If I were dying, my last words would be: Have faith and pursue the unknown end.”

“Lost Time is never found again.”

“How you spend your time is more important than how you spend your money. Money mistakes can be corrected, but time is gone forever.”

“Men talk of killing time, while time quietly kills them.”

“I am the perfect version of me.”

“But if you tame me, then weshall need each other. To me, you will be unique in all the world. To you, Ishall be unique in all the world.”

“I don't want the world to keep turning without me on it.”

“Indulge your passion for sciencebut let your science be human, and such as may have a direct reference to action and society. Be a philosopher; but amidst all your philosophy, be still a man.”

“Supposing is good, but finding out is better.”

“I don't remember Sherlock Holmes ever mentioning what you are supposed to do when you've eliminated everything improbable, and nothing is left.”