真正的谈话艺术不仅是在正确的地方说正确的话，而且是在诱惑的时刻不说错误的话。
The real art of conversation is not only to say the right thing at the right place but to leave unsaid the wrong thing at the tempting moment.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
记忆是一种抵抗形式。
世界上充满了显而易见的事情，但没有人会去注意它们。
生活是一个不断学习的过程。
每个人都害怕受伤。
The future of mining lies in intelligent and green technologies.
