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In things indifferent， nothing is preferable to anything else.

出自《海國圖志》。八方邊遠以外的地方，本來是存在的，但是不去關心，哪里知道宇宙有多大？

The best time to plant a tree was twenty years ago. The second best time is now.

Sustainability is no longer an option; it's a business imperative.

我思故我在已被廢棄；我們應說，我感受故我在。

培育花草樹木就是培育善良、美好和真實。