银河系中心附近的恒星就像宇宙时钟，帮助我们绘制时空图。
The stars near the galactic center are like cosmic clocks, helping us map spacetime.
The human heart is the most deceitful of all things, and desperately wicked. Who really knows how bad it is?
当遇到反对意见时，即使它可能来自你的丈夫或孩子，也要努力用论证而不是权威去克服它，因为依靠权威的胜利是不可靠而虚妄的。