An uncertain evil causes anxiety because, at the bottom of one's heart, one goes on hoping till the last moment that it may not be true; a certain evil, on the other hand, instills, for a time, a kind of dreary tranquillity.

When you are convinced that what you offer is yours, whether it be mediocre or of standard quality, your originality will make people love you in a way you did not expect.

A common fallacy in much of the adverse criticism to which science is subjected today is that it claims certainty, infallibility and complete emotional objectivity. It would be more nearly true to say that it is based upon wonder, adventure and hope.

The devil's happy when the critics run you off.

When someone gives you advice, just ask them to give it in writing and they will either keep mum or will run from there.

It's okay to be honest about not knowing rather than spreading falsehood. While it is often said that honesty is the best policy, silence is the second best policy.