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I have always preferred working on concrete problems rather than abstract theories.

To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.

We are all chapters in the great book of life.

The only thing you can do with good advice is pass it on. It is never of any use to oneself.

The only way to do great work is to love what you do.

毫無疑問，美麗女人的死亡是世界上最富有詩意的主題。