Data abstraction is the reduction of a particular body of data to a simplified representation of the whole.

道德规则不是我们理性的结论。

那些许诺我们人间天堂的人除了地狱什么都没有搞出来。

我不是金钱的粉丝，金钱买不到幸福。

Seeing comes before words. The child looks and recognizes before it can speak.

I'm comfortable with who I am and what I do. I know what I bring to the table.

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

Always look at what you have left. Never look at what you have lost.

The true value of a forest cannot be measured in board feet alone.

The Langlands program is a reflection of the unity of mathematical thought.