聪明人说话，是因为有些话要说；蠢人说话，则因为要说些话。

历史会证明谁真正为人民服务。

The poet is a man who looks at the world and sees it as it is, but also as it could be.

Simplicity is the seal of truth.

领导力在于有勇气做出艰难的决定，并有谦逊的态度从错误中学习。

解释：身居高位的人容易骄纵自满，处于安乐生活中的人容易奢侈。