悲觀主義者在每一個機會中看到困難，樂觀主義者在每一個困難中看到機會。
A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.
我記得我的朋友約翰尼·馮·諾伊曼曾經(jīng)說過，“用四個參數(shù)我可以擬合一頭大象，用五個我可以讓它擺動它的鼻子。”
我只是想每天變得更好。
The only real failure is the failure to try.