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Sincerely express my thanks to those professors, colleagues and friends for their collaborations, generous helps in research.

To see a world in a grain of sand.

一花一世界

And a heaven in a wild flower.

一沙一天国

Hold infiniyt in the palm of your hand.

无限掌中置

And etemity in a hour.

刹那成永恒

From "Auguries of Innocence " by William Blake.