It is a crime to put a Roman citizen in chains, it is an enormity to flog one, sheer murder to slay one: what, then, shall I say of crucifixion? It is impossible to find the word for such an abomination.

Friendship is the only thing in the world concerning the usefulness of which all mankind are agreed.

To be ignorant of the past is to be forever a child.

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

In a discussion of this kind our interest should be centered not on the weight of the authority but on the weight of the argument. Indeed the authority of those who set out to teach is often an impediment to those who wish to learn. They cease to use their own judgment and regard as gospel whatever is put forward by their chosen teacher.

If we are not ashamed to think it, we should not be ashamed to say it.

Let us remember that justice must be observed even to the lowest.