最好的肥料是将农民的知识与自然的智慧相结合。
To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.
True friends are not those who have endless topics to talk about, but those who can stay together without feeling awkward even if they don't speak.
What is the difference between a Turing machine and the modern computer? It's the same as that between Hillary's ascent of Everest and the establishment of a Hilton hotel on its peak.
Never underestimate the power of a single idea to transform the world.