任何有尊嚴的人都能捍衛自己的信念，但層次更高一點的人，才能毫無保留的立即承認錯誤。Any man worth his salt will stick up for what he believes right, but it takes a slightly better man to acknowledge instantly and without reservation that he is in error.

任何有尊嚴的人都能捍衛自己的信念，但層次更高一點的人，才能毫無保留的立即承認錯誤。
Any man worth his salt will stick up for what he believes right, but it takes a slightly better man to acknowledge instantly and without reservation that he is in error.
– Andrew Jackson, the 7th President of the United States