Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
The energy industry must adapt and evolve to meet the challenges of the 21st century.
What's terrible is to pretend that second-rate is first-rate. To pretend that you don't need love when you do; or you like your work when you know quite well you're capable of better.
我年轻时领略过一种高尚的情操,我至今不能忘掉,这是我的烦恼。
自然权利...是每个人按照自己的意愿,为了保全自己的本性,即自己的生命,而使用自己的力量的自由。