We must remember that we are not the only species that matters on this planet.
译文：假如让青春年华虚度，到年老时只能悔恨不已。赏析：人生短暂，年华易逝，我们要珍惜每天的日子，不要蹉跎岁月。
跨学科的合作对于解决科学中最具挑战性的问题至关重要。
Labor is the source of all wealth and all culture.