Do not weep; do not wax indignant. Understand.

All things excellent are as difficult as they are rare.

The world would be happier if men had the same capacity to be silent that they have to speak.

Nothing in the universe is contingent, but all things are conditioned to exist and operate in a particular manner by the necessity of the divine nature.

I do not know how to teach philosophy without becoming a disturber of the peace.

If Scripture were to describe the downfall of an empire in the style adopted by political historians, the common people would not be stirred.