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

The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labor which is necessary for its production, and not on the greater or less compensation which is paid for that labor.

I try to leave every place a little better than I found it.

在变革的时代，学习者将继承地球，而那些博学的人会发现自己装备精良，却要面对一个不复存在的世界。