数学的本质在于它的自由。
The essence of mathematics lies in its freedom.
自动机和形式语言的研究对于理解计算的极限是基础性的。
领导力是将愿景转化为现实的能力。
Sustainability must be at the core of every decision we make in the coal industry.
Your time is limited, so don’t waste it living someone else’s life.