String theory is a part of twenty-first-century physics that fell by chance into the twentieth century.
弦理论是二十一世纪物理学的一部分，偶然落入了二十世纪。
世界上充满了显而易见的事物，却没有人注意到它们。
It doesn’t matter what your background is or where you come from, if you have dreams and goals, that’s all that matters.
每天学习，尤其是从别人的经验中学习。它更便宜！“——约翰·博格尔
In the past the man has been first; in the future the system must be first.