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

Freedom is a possession of inestimable value.

It is the soul itself which sees and hears, and not those parts which are, as it were, but windows to the soul.

As I give thought to the matter, I find four causes for the apparent misery of old age; first, it withdraws us from active accomplishments; second, it renders the body less powerful; third, it deprives us of almost all forms of enjoyment; fourth, it stands not far from death.

There is not a moment without some duty.

The countenance is the portrait of the soul, and the eyes mark its intentions.

It is foolish to tear one's hair in grief, as though sorrow would be made less by baldness.