Civilization is not inherited; it has to be learned and earned by each generation anew.
死者离我们并不远。他们在我们的心中和脑海里，最终将我们与他们分开的只是一口气，最后一口气。
The past is a mirror in which we see ourselves reflected.
A esperança é o último que morre.
数学是模式的科学，我们研究它们以学习如何逻辑地、批判地和创造性地思考。
The more I study nature, the more I stand amazed at the work of the Creator.