I went to the woods because I wanted to live deliberately. I wanted to live deep and suck out all the marrow of life. To put to rout all that was not life. And not, when I had come to die, discover that I had not lived.
数学直觉就像肌肉一样 - 通过锻炼会变得更强大。
"The best stories are those that leave room for the reader's imagination."
"The only way to discover the limits of the possible is to go beyond them into the impossible."