1、If you want knowledge,you must toil for it.
若要求知识，须从勤苦得。
2、No one can call back yesterday;Yesterday will not be called again.
昨日不复来。
3、A handful of common sense is worth a bushel of learning.
少量的常识，当得大量的学问。
4、Time is money.
一寸光阴一寸金。
5、Diligence is the mohter of success.
勤奋是成功之母。
