Making something variable is easy. Controlling duration of constancy is the trick.
使变量可变很容易。控制恒定的持续时间是诀窍。
I am nothing but a wound in the memory of time.
In mathematics, you don't understand things. You just get used to them.
最伟大的实验始于一个简单的问题。
Destiny is changed by those who refuse to bow to it.
如果你想领导，你必须先学会倾听——倾听你的团队、客户和环境。