These would be my personal favorite proverbs:

If the sky falls there will be pots broken. - Spanish Proverb

A fool, unless he know Latin, is never a great fool. - Spanish Proverb

Trust, but not too much. - German Proverb

Eat of your own, and call yourself mine (i.e. Be my servant and find yourself). - Portuguese Proverb

Three who held each other are as good as six. - Spanish Proverb