The best mathematics is not just correct; it is illuminating.
天空才是極限，你要明白這一點(diǎn)。
愛(ài)是因?yàn)閻?ài)本身。愛(ài)不需要理由。
健康的國(guó)民是一個(gè)國(guó)家能擁有的最大財(cái)富。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
Going out is not the goal, going in is the success.