Virtue is a habit of the mind, consistent with nature and moderation and reason.

Diseases of the soul are more dangerous and more numerous than those of the body.

Pleasant is the recollection of dangers past.

All the arts, which have a tendency to raise man in the scale of being, have a certain common band of union, and are connected, if I may be allowed to say so, by blood-relationship with one another.

O wretched man, wretched not just because of what you are, but also because you do not know how wretched you are!

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

What is permissible is not always honorable.