We cannot not know history.

一本书是一次被推迟的自杀。

聪明的人戒太明察，刚强的人戒太暴躁，温和的人戒优柔寡断。

Marine conservation isn't about restricting fishermen—it's about ensuring they can keep fishing for generations.

I think that age is a very high price to pay for maturity.

出自汉·桓宽《盐铁论·力耕》。非，不是。宝，这句话指好的办法。道，途径、方法。治家并不是只有一种有效的方法，治国并不是只有一条可行的途径。这句话言治家与治国一样，都有许多不同的方法，当事人应当努力寻求，不必因循守旧而无所作为。

Every mathematical problem is a window into a new world of understanding.