It's Huxley that said woe to the slaying of a beautiful theory by an ugly fact, nuclear collapse.

赫胥黎说过,一个美丽的理论,被丑陋的事实所抹杀，核坍塌，真是科学的悲剧。

麻省理工公开课 - 固态化学导论课程节选

Opponents of animal testing are quick to point out that it's not a humane way to learn scientific facts.

动物实验的反对者很快就指出，利用这种方法得到科学事实是不人道的。

需要动物实验吗？ - SpeakingMax英语口语达人

That's scientists here to show the reality that we don't know without science.

科学家们告诉我们,没有科学知识而不知道的事实。

麻省理工公开课 - 电影哲学课程节选