Life is short, but there is always time for courtesy.
生活中闲言碎语在所难免,不必过分在意,做好自己即可。  
The revolution is made through human beings, but individuals must forge their revolutionary spirit day by day.
真正的问题不是机器是否会思考,而是人类是否会思考。
最大的幸福就是蔑视那些应当被蔑视的事物。