You don't learn to walk by following rules. You learn by doing, and by falling over.
The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember.
The real problem is not whether machines think but whether men do.
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?