Unfaithfulness ought to extinguish love, and we should not be jealous when there is reason to be. Only those who give no grounds for jealousy are worthy of it.

Men give away nothing so liberally as their advice.

Thinkers think and doers do. But until the thinkers do and the doers think, progress will be just another word in the already overburdened vocabulary by sense.

There are several remedies which will cure love, but there are no infallible ones.

That which makes the vanity of others unbearable to us is that which wounds our own.

If we are to judge of love by its consequences, it more nearly resembles hatred than friendship.

It is sometimes necessary to play the fool to avoid being deceived by cunning men.