可持续性不是一种选择，而是一种责任。

Safety is not just a policy, it's a culture that every employee must embrace.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

抽象的目的不是模糊，而是创建一个新的语义层次，在这个层次上可以绝对精确。