1、If you want knowledge,you must toil for it. 若要求知識,須從勤苦得。 2、No one can call back yesterday;Yesterday will not be called again. 昨日不復來。 3、A handful of common sense is worth a bushel of learning. 少量的常識,當得大量的學問。 4、Time is money. 一寸光陰一寸金。 5、Diligence is the mohter of success. 勤奮是成功之母。