Rì cháng, shì duō; yè cháng, mèng duō.

日長事多, 夜長夢多。

Lit The longer the day, the more things [come up], [just as] the longer the night, the more dreams [one has].

Fig The longer you wait to do something, the more likely it is that something else will come up, so better not put things off.

Note [The second part (q.v.) is often used alone as a chengyu with the meaning “long delays cause many hitches.”]

Topics chengyu PROCRASTINATION yècháng-mèngduō