The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
农业中的每一个挑战都是创新的机会。
太阳，温柔与生命的源泉，向狂喜的大地倾注炽热的爱。
The only thing that is truly important is the difference you make in the world.
人生は、自分で選んだ道を歩くことだ。
人人生而平等。
In productive thinking, the transition from blind manipulation to understanding is crucial.