But as to the affection which anyone may have for us, it is the first demand of duty that we do most for him who loves us most; but we should measure affection, not like youngsters, by the ardour of its passion, but rather by its strength and constancy.

Whatever you do, do with all your might.

Hatred is settled anger.

Prosperity demands of us more prudence and moderation than adversity.

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.

Robbing life of friendship is like robbing the world of the sun.

By doubting we come at truth.