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The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it.

Every piece of plastic we produce should have a clear path to reuse or recycling.

The world is very, very beautiful if you look at it, but most people don't look very much.

The true essence of scientific discovery is not in the answers it provides, but in the new questions it raises.

The highest purpose is to have no purpose at all. This puts one in accord with nature in her manner of operation.

強大的企業建立在強大的價值觀之上。