a fool shows his annoyance at once, but a prudent man overlooks an insult

US /ə ˈful ˌʃoʊz hɪz əˈnɔɪ.əns ət ˌwʌns bət ə ˈpruː.dənt ˌmæn ˈoʊ.vər.lʊks ən ˈɪn.sʌlt/
"a fool shows his annoyance at once, but a prudent man overlooks an insult" picture
1.

愚昧人一生气就显露，聪明人却能忍辱负重