The very definition of the real becomes: that of which it is possible to give an equivalent reproduction.

I don’t need anyone’s permission to be myself.

The world of the happy is quite another than that of the unhappy.

I think track records are very important. If you start trying to have a perfect one in a simple thing like honesty, you're well on your way to success in this world.

The most important single aspect of software development is to be clear about what you are trying to build.

有了一些小成绩就不求上进，这完全不符合我的性格。攀登上一个阶梯，这固然很好，只要还有力气，那就意味着必须再继续前进一步。

故事是作者写给自己的一封信，用来告诉自己那些他无法以其他方式发现的事情。

可持续发展不仅对地球有益；它对商业有益，对长期成功至关重要。