Akademik

Cf: Не who laughs on Friday will weep on Sunday (Br.). Laugh before breakfast, cry before night (sunset, supper) (Am.). Laugh before breakfast, you'll cry before supper (Am., Br.). Laughter before sleep, tears when wakened (Am.). Rejoice today and repent tomorrow (Am.). Sing before breakfast, and you'll cry before supper (Br.). Sing before breakfast, you'll cry before night (supper) (Am.)