Though silence is not necessarily an admission, it is not a denial, either.

It is certain that memory contains not only philosophy, but all the arts and all that appertain to the use of life.

Death approaches, which is always impending like the stone over Tantalus: then comes superstition with which he who is imbued can never have peace of mind.

When they remain silent, they cry out.

It has seemed to be more necessary to have regard to the weight of words rather than to their number.

Loyalty is what we seek in friendship.

Our span of life is brief, but is long enough for us to live well and honestly.