His head was turned by too great success.

Demand not that I am the equal of the greatest, only that I am better than the wicked.

The man who while he gives thinks of what he will get in return, deserves to be deceived.

You roll my log, and I will roll yours.

Philosophy is the health of the mind.

However wretched a fellow-mortal may be, he is still a member of our common species.

He who boasts of his descent, praises the deed of another.