In conversation avoid the extremes of forwardness and reserve.

Regard not dreams, since they are but the images of our hopes and fears.

Don't promise twice what you can do at once.

It is remarkable that men, when they differ in what they think considerable, will be apt to differ in almost everything else; their difference begets contradiction; contradiction begets heat; heat quickly rises into resentment, rage, and ill-will; thus they differ in affections, as they differ in judgment.

The best way to keep good acts in memory is to refresh them with new.

Flee sloth; for the indolence of the soul is the decay of the body.

This is my firm persuasion, that since the human soul exerts itself with so great activity, since it has such a remembrance of the best, such a concern for the future, since it is enriched with so many arts, sciences, and discoveries, it is impossible but the being which contains all these must be immortal.