There is no such thing as a small life—only small perspectives.
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。
The principles of conditioning apply equally to all species.
The concept of nondeterminism in computation is one of the most important ideas in computer science.
非确定性计算的概念是计算机科学中最重要的思想之一。