If you would persuade, you must appeal to interest rather than intellect.
Those who in quarrels interpose, must often wipe a bloody nose.
How few there are who have courage enough to own their faults, or resolution enough to mend them.
Hear reason, or she'll make you feel her.
Eat few suppers, and you'll need few medicines.
You have on hand those things that you need if you have but the wit and wisdom to use them.