Imagination is more important than knowledge.

译文：即使处在平安的环境，也要时刻想到可能会有突如其来的危险。

高效算法的开发对于技术和科学的进步至关重要。

A people without children would face a hopeless future; a country without trees would face a future with even less hope.

孤独是思考的起点。

互联网是未来，而未来就是现在。