数学不是一项观赏性运动;要理解它,必须积极参与其中。
建筑必须是一个活生生的、有呼吸的实体。
创新不仅仅是创造新产品;它是关于重新构想我们如何为客户提供价值。
Coal has been the backbone of industrial progress, but its future must balance economic needs with environmental responsibility.
To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others.