A young idler, an old beggar.

Measure for measure. William Shakespeare

Look before you leap. Check that you are clear what is ahead of you before making a decision that you cannot go back on.

He who laughs last laughs best.

Like father like son. eg: Jill: George’s father smoked all the time, and now George is smoking all the time, too. Jane: Like father, like son, right?

Harm set, harm get. 中文译作： 害人终害己

Haste makes waste. 中文译作： 欲速不达 韦伯词典解释： —used to say that doing something too quickly causes mistakes that result in time, effort, materials, etc., being wasted

How time flies. 中文译作： 时间过得真快啊