The meaning of a word is its use in the language.
一个词的意义在于它在语言中的使用。
The most important skill for a computer scientist is problem-solving.
Sometimes the most heroic act is simply to survive.
Stop acting as if life is a rehearsal. Live this day as if it were your last. The past is over and gone. The future is not guaranteed.
商业的本质是解决问题，而不是制造问题。