Friendship was given by nature to be an assistant to virtue, not a companion in vice.

Friendship is the only point in human affairs concerning the benefit of which all, with one voice, agree.

The magistrates are the ministers for the laws, the judges their interpreters, the rest of us are servants of the law, that we all may be free.

An old man with something of the youth in him, may feel young in mind and heart only.

Any man can make mistakes, but only an idiot persists in his error.

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?

War should be undertaken in such a way as to show that its only object is peace.