执古以绳今，是为诬今；执今以律古，是为诬古。
拿古代的情况作标准来看今天的事情，这是对今天不正确的看法；拿今天的情况要求古人，这是不正确的历史观。此言时代不同，社会情况就会不同，因此考察古今，论定古今人物或事件，都不能持相同的标准，而必须结合不同情势具体对待。
I believe in the power of music to heal, to inspire, and to bring people together.
The longer I live, the more I am inclined to the belief that this earth is used by other planets as a lunatic asylum.
Dream big, work hard, stay focused, and surround yourself with good people.
Mathematics is the language in which the universe writes its deepest secrets.