人生中80%最重要的时刻发生在35岁之前。
The key to artificial intelligence has always been the representation.
在科学管理中,最重要的元素是任务观念。
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
We think not in isolated ideas, but in continuous streams of purpose-directed activity.