What makes false reckoning, as regards gratitude, is that the pride of the giver and the receiver cannot agree as to the value of the benefit.

All who know their own minds know not their own hearts.

It is easier to know men in general, than men in particular.

It is much better to learn to deal with the ills we have now than to speculate on those that may befall us.

If vanity does not entirely overthrow the virtues, at least it makes them all totter.

The passions do very often give birth to others of a nature most contrary to their own. Thus avarice sometimes brings forth prodigality, and prodigality avarice; a man's resolution is very often the effect of levity, and his boldness that of cowardice and fear.

Jealousy is bred in doubts. When those doubts change into certainties, then the passion either ceases or turns absolute madness.