He who is surety for another, pays for him.
More Dutch Proverbs:
A hired horse and one's own spurs make short miles.Dutch
That is good wisdom which is wisdom in the end.
Dutch
Self-love nobody else's love.
Dutch
My shirt is closer to me than my cloak.
Dutch
It's good to be off wi' the old love, before ye be on wi' the new.
Dutch
The friar preached against stealing when he had a pudding in his sleeve.
Dutch