数据抽象是将特定数据集简化为整体的简化表示。

文章的最高境界，是与自然造化相通，达到自然而然的精妙。

The poet is the one who feels intensely and expresses beautifully.

The greatest crimes are not committed by people breaking the rules, but by people following the rules.

写作就像在雾中夜间驾驶。你只能看到车灯所及之处，但你可以这样完成整个旅程。