What you do makes a difference, and you have to decide what kind of difference you want to make.

There is nothing either good or bad, but thinking makes it so.

The rocks we extract today must leave a legacy we can be proud of tomorrow.

赏析：指出灵巧的人和聪明的人往往会因为自己的才能而劳累和忧虑，而没有才能的人则没有太多的追求和烦恼。

Programming is an unnatural act.