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If you cannot do it, then teach.

Traditional methods have wisdom, but sustainability requires us to evolve beyond them when necessary.

The most advanced technology is worthless if it doesn't serve the farmer's needs.

The impact of a scientific discovery can be profound, often reaching far beyond the initial expectations.

The ideas I had about supernatural beings came to me the same way that my mathematical ideas did. So I took them seriously.

Writing is the only way I know how to live twice.