The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed to exclude, in a manner, all other arts.

真正的艺术来自于内心的真诚。

发现恒星围绕银河系中心的超大质量黑洞运行是天体物理学的一个转折点。