Talk of the devil and he will appear.说曹操，曹操就到。

He is wise that is honest.诚实者最明智。

The first blow is half the battle. 良好的开端是成功的一半。

I have nothing to offer but blood, boil, tears and sweat. 我能奉献的没有其它，只有热血、辛劳、眼泪与汗水。

Talking mends no holes.空谈无补。

He knows most who speaks least.大智若愚。