You cannot not know history.

"The best ideas come from the people closest to the problem."

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.

【释义】善于为别人着想的人能够为自己着想，善于管理别人的人能够管理好自己。

Success is not final, failure is not fatal: It is the courage to continue that counts.