When Kepler found his long-cherished belief did not agree with the most precise observation, he accepted the uncomfortable fact. He preferred the hard truth to his dearest illusions; that is the heart of science.
当开普勒发现他长期以来的信念与最精确的观测结果不一致时，他接受了这个令人不安的事实。他宁愿要严酷的事实，也不愿要他最宝贵的幻想;这就是科学的核心。