你知道的越多,你就越意识到你不知道的越多。
The human being cannot live in a condition of emptiness for very long: if he is not growing toward something, he does not merely stagnate; the pent-up potentialities turn into morbidity and despair, and eventually into destructive activities.
真相往往是看不见的,因为它太明显了。
Innovation is not just about creating something new; it's about improving what already exists.
最好的肥料是农民在田间的身影。