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Nature tends to produce constancy in all her works, but she does not always succeed.

Opposition brings concord. Out of discord comes the fairest harmony.

The most important thing in computer graphics is to understand light and how it interacts with surfaces.

Continuous learning is the only way to maintain a competitive advantage.

成功是個糟糕的老師。它誘使聰明人以為自己不會失敗。

Innovation is the lifeblood of the petroleum and chemical industry. Only by continuous technological breakthroughs can we achieve sustainable development.