Sustainability isn't a cost—it's an investment in our future.
"To write is to remember, and to remember is to live twice."
Objects have always been carried, sold, bartered, stolen, retrieved and lost. People have always given things to other people.
结社的能力反过来取决于社区分享规范和价值观的程度,以及能够将个人利益服从于更大群体利益的程度。
追求科学不仅仅是关于发现;它是关于理解我们周围的世界并使其变得更美好。
只要心中有远大的志向,没有不能达到的地方;而心中所追求的,则没有任何困难可以阻拦。
真正的友情在困难时才会被考验。