1.Omelets are not made without breaking of eggs.鸡蛋不打破，蛋卷做不成

2.Lost time is never found again.光阴一去不复返.

3.Treat other people as you hope they will treat you.己所不欲,勿施于人.

4.The roots of education are bitter , but the fruit is sweet 教育的根是苦的，但其果实是甜的。

5.Where there's smoke without fire.无风不起浪.

6.All for one, one for all.我为人人,人人为我.

7.If you want knowledge, you must toil for it.若要求知，必须刻苦。

8.Think twice before acting.三思而后行.

9.A stitch in time saves nine.防微杜渐.

10.The early bird catches the worm.捷足先登.