time and tide wait for no man ❍ 他为什么废寝忘食地拚命干？因为他明白～的道理。Why does he work so hard forgetting meals and sleep?Because he knows the truth that time and tide waitfor no man.
岁月不居suì yuè bù jū
居：停留。形容时光无情流逝而不停留。Time and tide wait for no man. Time flies. Time marches on.