時間是一個從我們感知變化的方式中衍生出來的概念。
Time is a concept that is derived from the way we perceive change.
形式化方法的美在于它們能夠提供關(guān)于系統(tǒng)行為的絕對保證。
I’m not a portrait painter. I’m interested in the life behind the person.
"The past is always tense, the future perfect."
The only time you fail is when you stop trying.