The talent for being happy is appreciating and liking what you have, instead of what you don't have.

Science is not about being the first; it's about being patient and persistent.

The mystery of the room is in the play of light.

译文：祸到临头后悔已经来不及了，船驶到江心弥补漏洞已经无济于事。赏析：我们说话做事都要谨慎，凡事都做最坏的打算，要防患于未然才能减少失误和差错。