He is safe who admits no one to his confidence.

All the passions make us commit faults; love makes us commit the most ridiculous ones.

Our distrust of another justifies his deceit.

Self-interest speaks all manner of tongues and plays all manner of parts, even that of disinterestedness.

They that apply themselves to trifling matters commonly become incapable of great ones.

The pleasure of love is in the loving; and there is more joy in the passion one feels than in that which one inspires.

Prudence and love are inconsistent; in proportion as the last increases, the other decreases.