The joy of discovery is what drives mathematicians forward.

Many will call me an adventurer, and that I am...only one of a different sort: one who risks his skin to prove his truths.

——〈在东京对同志的声言〉，1915年10月25日

自动控制的艺术在于正确调整修正力。

创新不仅仅是创造新产品，更是重新构想整个体验。