我们开采的每一吨矿石都承载着对未来的责任。
问题的根本原因在于,在现代世界里,愚蠢的人自以为是,而聪明的人充满怀疑。
The more determinedly I exist, as myself, within the conditions of the time, the more clearly I shall hear the language of the past, the nearer I shall feel the breath of universal history.
追求知识是一生的旅程。
The world is a very complicated place, and it's not getting any simpler.
"To act is to explore the depths of human emotion and to bring it to the surface."