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I keep thinking about this river somewhere, with the water moving really fast. And these two people in the water, trying to hold onto each other, holding on as hard as they can, but in the end it’s just too much. The current’s too strong. They’ve got to let go, drift apart.

The motor of our ingenuity is the question ‘Does it have to be like this?’, from which arise political reforms, scientific developments, improved relationships, better books.

The forest does not belong to us—we belong to the forest, and our duty is to protect it.

"The beauty of formal methods lies in their ability to provide absolute guarantees about system behavior."

最危險的謊言是我們對自己相信的那些。

Other holidays repose upon the past; Arbor Day proposes for the future.