数学是理性的音乐。

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

No individual has any right to come into the world and go out of it without leaving behind him distinct and legitimate reasons for having passed through it.

"I think the most important thing is to be true to yourself and to your vision."

The great ideological battles between liberalism and communism, or between democracy and authoritarianism, have ended in the victory of the former.

You think it will never happen to you, that it cannot happen to you, that you are the only person in the world to whom none of these things will ever happen, and then, one by one, they all begin to happen to you, in the same way they happen to everyone else.

The beauty of life is, while we cannot undo what is done, we can see it, understand it, learn from it and change. So that every new moment is spent not in regret, guilt, fear or anger, but in wisdom, understanding and love.

"Life is a journey that must be traveled no matter how bad the roads and accommodations."