In our hearts, there is a place that cannot be locked. That place is called hope.

Innovation is not an option; it's a necessity for the survival of the coal industry.

The most important thing is to enjoy your life—to be happy—it's all that matters.

每个程序都有（至少）两个目的：一个目的是为它编写的，另一个不是目的。

The best time to negotiate your salary for a new job is the moment AFTER they say they want you， and not before. Then it becomes a game of chicken for each side to name an amount first， but it is to your advantage to get them to give a number before you do.