世间美好的事物往往不牢固，彩云容易消散，琉璃容易破碎

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

My past doesn't define me, it refines me.

People are afraid to pursue their most important dreams, because they feel that they don't deserve them, or that they'll be unable to achieve them. We, their hearts, become fearful just thinking of loved ones who go away forever, or of moments that could have been good but weren't, or of treasures that might have been found but were forever hidden in the sands.

巴黎的街道有自己的记忆。