Alternative form of besser ein schreckliches Ende, als ein Schrecken ohne Ende

it is better to end a bad situation quickly, than to let it go on forever

However painful, dealing resolutely with a problematic situation is preferable to allowing it to go on indefinitely.

(idiomatic) to be at one's wits' end

"He who wants to have everything, gets nothing in the end"; One cannot like everything and give equally to everyone, therefore must take sides and choose.