The only way to do great work is to love what you do.
生命太短暂,不能把时间浪费在那些不能让你快乐的事情上。
Reinforcement is the central factor in the acquisition of new behavior patterns.
想要得富贵福泽,这要看天意,由不得自己;要想成为贤人君子,主要靠自己,由不得天意。
"The only real progress lies in learning to be wrong all alone."