The past is never dead. It's not even past.
過去從未死去，它甚至還沒有過去。
Mathematics is the most beautiful and most powerful creation of the human spirit.
Everybody counts or nobody counts.
最好的數(shù)據(jù)庫系統(tǒng)是對用戶不可見但功能強(qiáng)大的系統(tǒng)。
If you are under the impression you have already perfected yourself， you will never rise to the heights you are no doubt capable of.