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"Writing is not a performance, it's a generosity."

Stray birds of summer come to my window to sing and fly away。 And yellow leaves of autumn， which have no songs， flutter and fall there with a sigh。

數學不是關于數字、方程、計算或算法：它是關于理解的。

追求智慧的人永遠不會停止探索。

In business, if you're not moving forward, you're falling behind.