It is not shame for a man to learn that which he knows not，whatever his age.

The deterioration of every government begins with the decay of the principles on which it was founded.

某种无形力量的可怕阴影，虽不可见，却在我们中间漂浮。

将橘柚佳树砍伐，却栽植苦桃恶木。可叹修美的翠竹，孤零零江边独处。