Character is much easier kept than recovered.
读书人不能不心胸宽广意志刚强,因为肩负重任而且征途遥远。他把实现仁的理想作为自己的使命,担子难道不重吗?他为这种理想而奋斗,直到死去为止,路途难道不远吗?
历史的重量总是存在于我们使用的材料中。
A good mathematician is someone who can see analogies between theorems; a great mathematician is someone who can see analogies between analogies.
除了原子和虚空,什么都不存在;其他一切都是意见。