There are faults we would fain pardon.

What we hear strikes the mind with less force than what we see.

All singers have this fault: if asked to sing among friends they are never so inclined; if unasked, they never leave off.

Busy not yourself in looking forward to the events of to-morrow; but whatever may be those of the days Providence may yet assign you neglect not to turn them to advantage.

You must often make erasures if you mean to write what is worthy of being read a second time; and don't labor for the admiration of the crowd, but be content with a few choice readers.

While your client is watching for you at the front door, slip out at the back.

Aiming at brevity, I become obscure.