Do business best when the wind's in the west.

Do chattering monkeys mimic men, Or we, turned apes, out-monkey them?

Do not give an opinion until it is asked for.

Do not lengthen the quarrel while there is an opportunity of escaping.

Do well and have well.

Don't be frightened at high-sounding words.

Don't do that of which you doubt the propriety.

Don't draw another's bow, don't ride another's horse, don't mind another's business.

Don't tell a secret to anybody, unless you want the whole world to know it.

Don't that just butter your grits.

Doth the moon on high care for the barking of a dog?

Double charging will break a cannon.

Dropping water makes the rock hollow, not by its force, but by constant action.

Drown not thyself to save a drowning man.

Drumming is not the way to catch a hare.

Drunkenness makes some men fools, some beasts, and some devils.

Dry bread at home is better than roast meat abroad.

Each hour injures, the last one slays.

Each man has his peculiar hobby.

Early ripe, early rotten.

Early rising is most conducive to health.

Early, not late remedies are the most effective.

Eat well, drink in moderation, and sleep sound, in these three good health abound.

Education is the poor man's haven.

Eels become accustomed to skinning.