The beauty of science is that it allows us to see the world not as it is, but as it could be.
科学的美在于它让我们看到的不是世界的现状,而是它可能的样子。
You may have the worst of your worries when you most appear to be at ease.
狗是人类的朋友,因为它看人不分贵贱。
Science thrives when curiosity meets rigorous methodology.
Actions are right in proportion as they tend to promote happiness; wrong as they tend to produce the reverse of happiness.