The world is full of signs and wonders that come, and go, and if you are lucky you might catch the tail of one.

光波，无论是以太波还是其他波，在所有情况下都是时间上的周期性过程。

He always fought, that s what I remember. He fought because he knew if he didn t fight, it would make it that much easier not to fight the next time.

成功的关键是专注于目标，而不是障碍。

我们不是从祖先那里继承海洋，而是向子孙后代借用。