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People who treat other people as less than human must not be surprised when the bread they have cast on the waters comes floating back to them, poisoned.

The best solutions are often the simplest ones.

可持續性不僅僅是種樹，而是在正確的地方為了正確的理由種正確的樹。

在采礦業，可持續性不僅僅是一個流行詞，而是長期成功的必要條件。