The past is never dead. It's not even past.
You can't let praise or criticism get to you. It's a weakness to get caught up in either one.
世界上充满了显而易见的事情,却没人注意到。
法律不是规则的体系,而是原则的体系。
在科学中,唯一不变的就是变化。
每一颗播种的种子都是迈向更可持续未来的一步。