Fear can be a useful signal, but it shouldn't be the only voice we listen to.
恐惧可以是一个有用的信号,但它不应该是我们唯一倾听的声音。
相对论不仅是一项科学成就,更是一种关于空间和时间的新思维方式。
I don't believe in pessimism. If something doesn't come up the way you want, forge ahead. If you think it's going to rain, it will.