The cowl (or hood) does not make the monk.
The creditor has always a better memory than the detor.
The crow thinks her own birds fairest.
The cruelest lies are often told in silence.
The crushed worm will turn.
The cuckoo comes in April, and stays the month of May; sings a song at midsummer, and then goes away.
The dainties of the great are the tears of the poor.
The darkest hour is that before the dawn.
The day has eyes, the night has ears.
The day is long to him who knows not how to use it.
The devil can cite the Scriptures for his purpose.
The devil is good when he is pleased.
The devil is not so black as he is painted.
The devil knows may things because he is old.
The devil lurks behind the cross.
The devil may get in by the keyhole, but the door won't let him out.
The diamonds of other countries are always the most beautiful.
The doctor is often more to be feared than the disease.
The dogs bark, but the caravan goes on.
The dog that fetches will carry.
The drop hollows the stone, not by force, but by the frequency of its fall.
The early bird catches the worm.
The effect speaks, the tongue needs not.
The end crowns the work.
The end justifies (or sanctifies) the means.
The evils we bring on ourselves are the hardest to bear.
The evil wound is cured but not the evil name.
The exception proves the rule.
The eye is blind if the mind is absent.
The eye that sees all things else sees not itself.
The face is the index of the mind (or heart).
The falling out of lovers is the renewing of love.
The farmers are the founders of civilization and prosperity.
The farthest way about is the nearest way home.
The fear of ill exceeds the ills we fear.
The finest diamond must be cut.
The fire is the test of gold; adversity of strong man.
The fire which lights (or warms) us at a distance will burn us when near.
The first blow is half the battle.
The first element of success is the determination to succeed.
The first step is as good as half over.
The first step is the only difficulty.
The first step to virtue is to abstain from vice.