In physics, we often find that the most beautiful solutions emerge from the messiest problems.

Silence is not the absence of sound, but the presence of an unspoken truth.

Quality is not an end in itself; it is a means to an end.

I'm not going to change who I am or what I stand for.

出自先秦《荀子·儒效》。对于所知道的东西就说知道，不知道的就说不知道；这样，对内是不欺骗自己的良心，对外是不欺骗他人。说明为人应当诚实的道理。