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If you borrow something, try to return it in better shape than you received it. Clean it, sharpen it, fill it up.
Traditional methods have wisdom, but sustainability requires us to evolve beyond them when necessary.
预测未来的最好方法就是去创造它。
The most powerful thing you can be is yourself.
计算机科学的挑战不仅在于创造新技术,还在于确保它们被道德和负责任地使用。