一个善待别人的人，别人也会善待你。《孟子》中也说“爱人者，人恒爱之；敬人者，人恒敬之”，爱别人的人，别人也会爱他；尊敬别人的人，别人也会尊敬他。

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"Modern society has lost its soul, and we are all just wandering in a spiritual desert."

"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."

即使在抽象中，数学也具有深远的现实应用。