代數(shù)是人類(lèi)創(chuàng)造的一種智力工具，用于清晰地表達(dá)世界的數(shù)量關(guān)系。
Leadership is about inspiring others to see the potential in what seems impossible.
The act of writing is an act of faith—in language, in the reader, in oneself.
消化道是一條穿過(guò)整個(gè)生物體的管道。
The challenge in learning is not just to memorize, but to generalize from specific examples to broader concepts.
抓緊時(shí)間，孩子們，讓你的生命不同尋常。