耐心是一种美德，我正在学习耐心。这是一门艰难的课程。

The study of quantum gravity is essential for understanding the early universe.

Sometimes the smallest things take up the most room in your heart.

"A man is rich in proportion to the number of things he can afford to let alone."

如果没有冬天的寒冷来赋予它甜蜜，夏天的温暖又有什么意义呢？

When we love, we always strive to become better than we are. 

创新不仅仅是创造新事物，而是要对人们的生活产生影响。

最大的智慧是知道自己一无所知。