ets are not made without breaking of eggs.鸡蛋不打破，蛋卷做不成
time is never found again.光阴一去不复返.
t other people as you hope they will treat you.己所不欲,勿施于人.
roots of education are bitter , but the fruit is sweet 教育的根是苦的`，但其果实是甜的。
e there's smoke without fire.无风不起浪.
for one, one for all.我为人人,人人为我.
you want knowledge, you must toil for it.若要求知，必须刻苦。
k twice before acting.三思而后行.
9.A stitch in time saves nine.防微杜渐.
early bird catches the worm.捷足先登.