The process of solving a mathematical problem is often more important than the solution itself.
Happiness is that state of consciousness which proceeds from the achievement of one's values.
"Every word is a step towards freedom."
精神生活不是否定的生活,而是肯定的生活。
在我们视野所及中,人类存在的唯一目的,是在纯粹存在的黑暗中燃起一点光亮。