物事は中途半端にするなかれ。

tbd

Don't leave things half finished.

Don't leave things half done.

小事を軽んずるなかれ。

tbd

Take care of the pence and the pounds will take care of themselves.

己の欲せざる所は人に施す勿れ。

tbd

己所不欲，勿施于人。

鶏口となるも牛後となるなかれ。

tbd

Better be the head of a dog than the tail of a lion.

Better to be the leader of a small group, than a subordinate in a large organization.

Better be the head of a cat than the tail of a lion.

過ちては改むるに憚ることなかれ。

tbd

It's never too late to make amends.