理论与观测之间的相互作用推动了天体物理学的发展。
要享受自由，我们必须控制自己。
The best teacher is the one who suggests rather than dogmatizes, and inspires his listener with the wish to teach himself.
对付不自由世界的唯一方法就是变得绝对自由，以至于你的存在本身就是一种反抗。
科学中的每一个发现都是建立在我们之前无数人工作的基础上。
在社会失败的地方，企业也无法成功。
The healthy social life is found when in the mirror of each human soul the whole community finds its reflection, and when in the community the virtue of each one is living.
Your struggles don't define you; how you overcome them does.