At the close of our studies, we knew all the past of physics, but nothing of the present and the future.
在学习结束时,我们知道物理学的所有过去,但对现在和未来一无所知。
心灵不是一种物质,而是一个过程。
There is no such thing as work-life balance. Everything worth fighting for unbalances your life.
能源的未来在于我们适应和创新的能力。