wise man have their mouths in their hearts, fools have their hearts in their mouths.
1、智者嘴在心里，愚者心在嘴里。
work makes the workman.
2、勤工出巧匠。
you cannot burn the candle at both ends.
3、蠟燭不能兩頭點(diǎn)，精力不可過分耗。
you cannot eat your cake and have it.
4、魚與熊掌，不可得兼。
you can take a horse to the water but you cannot make him drink.
5、強(qiáng)扭的瓜不甜。
you may know by a handful the whole sack.
6、由一斑可知全貌。
you never know what you can till you try.
7、是驢子是馬，拉出來遛遛。
to know everything is to know nothing.
8、什么都知道，一如什么都不知道。
to know oneself is true progress.
9、人貴有自知之明。
tomorrow never comes.
10、我生待明日，萬事成蹉跎。
