"The past is a puzzle, and every piece matters."
过去是一个谜题，每一块都很重要。
The interplay between mathematics and physics has led to some of the most profound insights in science.
There is one small step for man, a giant leap for mankind.
Happiness is not something you postpone for the future; it is something you design for the present.
书籍的魔力在于它们可以带你去任何地方。