The test of courage comes when we are in the minority.
The test of tolerance comes when we are in the majority.
(Ralph W. Sockman)
Nb: Une contribution de Lydie, not the first one and I hope not the last one

Compromise and tolerance are magic words.
It took me 40 years to become philosophical.
(Hedy Lamarr)

Tolérance : c'est quand on connaît des cons et qu'on ne dit pas les noms.
(Pierre Doris)