The greatest obstacle to progress is not ignorance, but the illusion of knowledge.

模形式的算术是窥探宇宙隐藏结构的窗口。

科学是一项集体事业，每一代人都为之添砖加瓦。

The past is a foreign country; they do things differently there.

Perhaps unhappiness can stem from having only one perspective to play with.

书籍是理解我们自己的钥匙。

跨行业合作是解决世界能源挑战的关键。