The best way to be happy is to live your truth.
有时人生最困难的事是知道该跨过哪座桥,烧掉哪座桥。
数学的本质在于其自由性。
"The world is a book, and the book is a prison."
I think the greatest thing in life is to be able to give back.
Judge a man by his questions rather than by his answers.