Those who attain any excellence, commonly spend life in one pursuit; for excellence is not often gained upon easier terms.

A successful author is equally in danger of the diminution of his fame, whether he continues or ceases to write. The regard of the public is not to be kept but by tribute, and the remembrance of past service will quickly languish unless successive performances frequently revive it. Yet in every new attempt there is new hazard, and there are few who do not, at some unlucky time, injure their own characters by attempting to enlarge them.

To do something is in every man's power.

A man who has not been in Italy, is always conscious of an inferiority.

Sorrow is a kind of rust of the soul, which every new idea contributes in its passage to scour away. It is the putrefaction of stagnant life, and is remedied by exercise and motion.

He who does not mind his belly, will hardly mind anything else.

A simile, to be perfect, must both illustrate and ennoble the subject; must show it to the understanding in a clearer view, and display it to the fancy with greater dignity; but either of these qualities may be sufficient to recommend it.... That it may be complete, it is required to exhibit, independently of its references, a pleasing image; for a simile is said to be a short episode.