Every scientist has a responsibility to consider the broader implications of their work.

Energy efficiency is the unsung hero in our quest to reduce emissions.

科幻小说是变革的文学。

真正的艺术家通过揭示神秘真理来帮助世界。

科学的美丽在于它解释自然界的能力。

没有任何一位总统能够忠实地、认真地履行他的职责，还能有闲暇时间。