国际体系的无政府性质意味着国家必须依靠自助来确保其生存。
I would not dare to say that there is a direct relation between mathematics and madness, but there is no doubt that great mathematicians suffer from maniacal characteristics.
啊,充分利用我们还能花费的东西,在我们也归于尘土之前;尘土归于尘土,躺在尘土之下,没有酒,没有歌,没有歌手,也没有——尽头!