The deeper you go into mathematics, the more you realize how much remains unknown.
The most important thing in life is to stop saying 'I wish' and start saying 'I will.'
没有人真正了解其他人。他所能做的最好的事情就是假设他们像他自己一样。
Fearless is not the absence of fear. It's not being completely unafraid. Fearless is having fears. Fearless is having doubts. Lots of them. Fearless is living in spite of those things, every day.