Attosecond science allows us to capture the fastest motions in the microcosm, like freezing the wingbeat of a hummingbird.

你们会因害怕拒绝而掩饰内心，还是会在面对爱情时勇往直前？

有两种和平的**，那就是法律和礼节。

 One foul sentence does more hurt than many foul examples. For these do but corrupt the stream；the other corrupt the fountain.

The best fertilizer is a farmer's knowledge mixed with nature's wisdom.

我是火星人，没人能触及我。

The world is beautiful, but it has a disease called man.

没有充足的食物供应，今天所知道的文明就不可能进化，也不可能生存。

The greatest happiness of life is the conviction that we are loved; loved for ourselves, or rather, loved in spite of ourselves.