你无法改变过去，但可以改变未来。

所以，根基树立不牢的人，不要期望有茂盛的枝叶。 

The universe is full of mysteries, and that’s what keeps scientists motivated.

我是一个非常冷静的人。这有助于我在网球和生活中的表现。

"We are all our own graveyards I believe; we squat amongst the tombs of the people we were."

"The greatest glory in living lies not in never falling, but in rising every time we fall."

When we strive to become better than we are, everything around us becomes better, too.