Tomorrow, in a very real sense, your life -- the life you author from scratch on your own -- begins.
The universe is a vast and mysterious place, and we are only beginning to understand its complexities.
贫困和无知可能逐渐消失的希望,很大程度上源于十九世纪工人阶级的稳步进步。
在化学中,就像在生活中一样,最深刻的真理往往是最简单的。
技术最终要服务于人,而不是让人去适应技术。