The man who has never been tempted doesn't know how dishonest he is.
Dr. Holmes says, both wittily and truly, that crying widows are easiest consoled.
One of the rarest things that a man ever does, is to do the best he can.
The wheel that squeaks the loudest is the one that gets the grease.
There is no greater evidence of superior intelligence than to be surprised at nothing.
As a general rule, if you want to get at the truth - hear both sides and believe neither.