The most difficult thing is to be simple.

真正的智者，是知其然，也知其所以然。永远明白自己在做什么，要做什么！清醒，问心无愧，活得明明白白！

世界充满了迹象和奇迹，但我们对它们视而不见。

The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.

我不睡觉，因为我太忙于梦想。

成功的关键在于理解并满足他人的需求。