The true worth of a scientist is measured by the originality of his mind.
一个科学家的真正价值是由他思想的独创性来衡量的。
Climate change is one of the biggest challenges of our time, and we must take action now.
煤炭造就了现代世界,我们有责任确保以智慧管理它的遗产。
认为未来不可预测的观点每天都在被我们轻易解释过去的事实所削弱。