Tolerance is good, but not with the intolerant.
Toleranz ist gut, aber nicht gegenüber den Intoleranten.
Original text (German)
Notes from Wikiquote
Vergebens predigt Salomo, p. 878
Original text (German)
Quote text and notes from Wikiquote: Wilhelm Busch (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.