The very shaping of history now outpaces the ability of men to orient themselves in accordance with cherished values. And which values? Even when they do not panic, men often sense that older ways of feeling and thinking have collapsed and that newer beginnings are ambiguous to the point of moral stasis.

代数簇的算术证明了抽象思维的力量。

"Writing is a journey into the unknown, where words become the compass and imagination the guide."

教学不是传递知识，而是为知识的产生或构建创造可能性。