I must study politics and war that my sons may have liberty to study mathematics and philosophy.
我必须研究政治和战争，以便我的儿子们可以自由地研究数学和哲学。
The key is to keep improving, keep fighting, keep believing.
In mathematics, the journey is just as important as the destination, for it is through the process of discovery that we truly learn.
The Internet is the most revolutionary thing I’ve seen in my entire life.
成功的衡量标准不仅仅是利润，还包括积极的影响。