当领导者学习时，他们比教学时更强大的榜样。

The past is never dead; it's not even past. This is especially true in detective fiction.

我是火星人，没人能触及我。

我不是因为快乐而唱歌，我因为唱歌而快乐。

Anybody who has been seriously engaged in scientific work of any kind realizes that over the entrance to the gates of the temple of science are written the words: Ye must have faith.