When the oak is before the ash, then you will only get a splash; when the ash is before the oak, then you may expect a soak.
Who keeps company with the wolf, will learn to howl.
Write down the advice of him who loves you, though you like it not at present.
You can't make an omelette without breaking eggs.
What goes up must come down.
What's good for the goose is good for the gander.
When the pinch comes, you remember the old shoe.
Who pays the piper calls the tune.
You are what you eat.
You can't make bricks without straw.
What has been seen cannot be unseen.
When a proud man hears another praised, he feels himself injured.
When the sword of rebellion is drawn, the sheath should be thrown away.
Whom the Gods love die young.
You can catch more flies with honey than with vinegar.
You can't polish a turd.
Walnuts and pears you plant for your heirs.
What is bred in the bone will not go out of the flesh.
When angry, count a hundred.
When they came to shoe the horses, the beetle stretched out his leg.
Why keep a dog and bark yourself?
You can have too much of a good thing.
You can't put an old head on young shoulders.
Wash your dirty linen at home.
What is done by night appears by day.