You will be as much value to others as you have been to yourself.

No one dies too soon who has finished the course of perfect virtue.

But if you should take the bond of goodwill out of the universe no house or city could stand, nor would even the tillage of the fields abide. If that statement is not clear, then you may understand how great is the power of friendship and of concord from a consideration of the results of enmity and disagreement. For what house is so strong, or what state so enduring that it cannot be utterly overthrown by animosities and division?

This is a proof of a well-trained mind, to rejoice in what is good and to grieve at the opposite.

More laws, less justice.

Physicians, when the cause of disease is discovered, consider that the cure is discovered.

The mansion should not be graced by its master, the master should grace the mansion.