人生来就不是为了被打败的。人能够被毁灭,但是不能够被打败。
You don't need to change a single thing about yourself.
生活就是当你忙于制定其他计划时发生的事情。
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
"Friendship isn't about who you've known the longest. It's about who walked into your life and said, 'I'm here for you,' and proved it."