Theorems are the milestones of mathematics.
我不后悔我做过的事,我后悔的是有机会时没有做的事。
最好的原料才能做出最好的面包。就是这么简单。
不耽误农业生产的季节,粮食就会吃不完;密网不下到池塘里,鱼鳖就会吃不完;按一定的季节入山伐木,木材就会用不完。
Sustainable development requires balancing economic growth with environmental protection.
The most dangerous phrase in the language is, 'We've always done it this way.'