Patriotism is not a choice, but a duty.

数学家沉浸在他的符号洪流中，表面上处理纯粹的形式真理，仍然可能得出对我们描述物理宇宙具有无尽重要性的结果。

自由不是让你想做什么就做什么，自由是教你不想做什么，就可以不做什么。

The self is only that which it is in the process of becoming.

Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something and that this thing must be attained.