There are certain inessential activities-moths of precious time-and it is worse to busy yourself with the trivial than to do nothing.

The sole advantage of power is that you can do more good.

Nature scarcely ever gives us the very best; for that we must have recourse to art.

For a thing to remain undone nothing more is needed than to think of it done.

Be first the master of yourself

Cultivate those who can teach you.

Nature often lets us down when we most need her; let us turn to art.