One swallow does not make spring.

一燕不成春。

相关名言

It is not once nor twice but times without number that the same ideas make their appearance in the world.

同样的思想在世界上出现,不是一次,也不是两次,而是无数次。

An ilka-day braw maks a Sabbath-day daw.

一日之计在于三日之计。