Art should be measured by its consequences, not by its beauty.
在探索理解量子引力的过程中,我们就像在广阔海洋岸边玩耍的孩子,偶尔发现一块光滑的鹅卵石或一个漂亮的贝壳,而真理的浩瀚海洋仍未被我们发现。
"The only limit to our realization of tomorrow is our doubts of today."
The mind evolves to meet the challenges of existence.
一本书可以是一个朋友、一位老师和通往另一个世界的门。