The theory of relativity is a theory of principle, not a constructive theory.
相对论是一种原理性理论,而非构造性理论。
你将学到的最伟大的事情就是去爱,并被爱作为回报。
The smallest atom of truth represents some man's bitter toil and agony.
我不害怕失败,我害怕不去尝试。