Every cold empirick, when his heart is expanded by a successful experiment, swells into a theorist.

A man is in general better pleased when he has a good dinner upon his table, than when his wife talks Greek.

The true art of memory is the art of attention.

Politeness is fictitious benevolence. Depend upon it, the want of it never fails to produce something disagreeable to one or other.

Timidity is a disease of the mind, obstinate and fatal; for a man once persuaded that any impediment is insuperable has given it, with respect to himself, that strength and weight which it had not before.

Many need no other provocation to enmity than that they find themselves excelled.

The wretched have no compassion, they can do good only from strong principles of duty.