Judge a man by his questions rather than his answers.
I have never made but one prayer to God, a very short one: 'O Lord make my enemies ridiculous.' And God granted it.
A good imitation is the most perfect originality
Cherish those who seek the truth but beware of those who find it.
The more a man knows, the less he talks.
Everything you say should be true, but not everything true should be said.