Thought is the servant of action, and action is the servant of survival.
思想是行动的仆人，而行动是生存的仆人。
"History is not the past but a map of the past, drawn from a particular point of view, to be useful to the modern traveller."
The coal industry must evolve with technology to meet global energy demands sustainably.
"The heart is a resilient little muscle."
The art of doing mathematics consists in finding that special case which contains all the germs of generality.
The greatest thing about tomorrow is, I will be better than I am today.
事实是，每个人都会伤害你。你只需要找到那些值得为之受苦的人。