We must consider both the ultimate end and all clear sensory evidence, to which we refer our opinions; for otherwise everything will be full of uncertainty and confusion.

Neither one should hesitate about dedicating oneself to philosophy when young, nor should get tired of doing it when one's old, because no one is ever too young or too old to reach one's soul's healthy.

The wise man thinks of fame just enough to avoid being despised.

Stranger, here you will do well to tarry; here our highest good is pleasure.

Thanks be to blessed Nature that she has made what is necessary easy to obtain, and what is not easy unnecessary.

It is impossible to live a pleasant life without living wisely and well and justly. And it is impossible to live wisely and well and justly without living a pleasant life.

But the universe is infinite.