“A mind stretched by a new ideanever shrinks back to its original proportions. ~”

“To reach a port we must sail, sometimes with the wind, and sometimes against it. But we must not drift or lie at anchor.”

“Every calling is great when greatly pursued.”

“I confess that altruistic and cynically selfish talk seem to me about equally unreal. With all humility I think 'whatsoever thy hand findeth to do do it with thy might ' infinitely more important...”

“You commit a sin of omission if you do not utilize all the power that is within you. All men have claims on man and to the man with special talents this is a very special claim. It is required th...”

“An older author is constantly rediscovering himself in the more or less fossilized productions of his earlier years.”

“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.”