The quality of your attention determines the quality of your life.
The past is a ghost, the future a dream, and all we ever have is now.
I don’t like to be second. I like to be first.
The beauty of mathematics lies in its simplicity and depth.
在每个问题中,都有一个等待被发现的隐藏模式,作为数学家,我们的责任就是去揭示它。