When restraint and courtesy are added to strength, the latter becomes irresistible.

In one word, this ideal is that you are divine.

A sense is what has the power of receiving into itself the sensible forms of things without the matter, in the way in which a piece of wax takes on the impress of a signet-ring without the iron or gold.

The man who will use his skill and constructive imagination to see how much he can give for a dollar, instead of how little he can give for a dollar, is bound to succeed. 

Whoever undertakes to set himself up as a judge of Truth and Knowledge is shipwrecked by the laughter of the gods.

Religion is more than life. Remember that his own religion is the truest to every man even if it stands low in the scales of philosophical comparison.

The policy of being too cautious is the greatest risk of all.

Memory is deceptive because it is colored by today's events. 

Plato is dear to me, but dearer still is truth.

Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young. The greatest thing in life is to keep your mind young. 

I have been up against tough competition all my life. I wouldn't know how to get along without it.

In what way can a man believing in God cease believing due to his personal vanity? There are only two ways. The man should either begin to think himself a rival of God, or he may begin to believe himself to be God.