The joy of solving a mathematical problem is unparalleled; it is a moment of pure intellectual triumph.
解决数学问题的喜悦是无与伦比的；这是纯粹的智力胜利的时刻。
The coal industry has a critical role to play in providing affordable and reliable energy while we transition to a lower-carbon future.
万物起源的奥秘对我们来说是无法解决的；而我必须满足于做一个不可知论者。
每个人出生时都是许多人，死时却是一个人。