Coal will remain a vital energy source, but only if we evolve with the times.
一个科学家的真正价值是由超越他的学生数量来衡量的。
The elegance of a proof is as important as its correctness.
可持续发展不仅是一种趋势,更是一种责任。
"We are all in the gutter, but some of us are looking at the stars."