教师必须为形成较好人类而献出一切。
To be a Christian without prayer is no more possible than to be alive without breathing.
在科学推断中,我们应该尽可能追求客观的方法。
The past is never dead. It's not even past.
The more absurd the world becomes, the more necessary it is to create a sense of order.
数学的研究是所有智力和精神发展的不可或缺的基础。