Only a man who knows what it is like to be defeated can reach down to the bottom of his soul and come up with the extra ounce of power it takes to win when the match is even.
Mathematicians aren’t satisfied because they know there are no solutions up to four million or four billion, they really want to know that there are no solutions up to infinity.
I was so obsessed by this problem that I was thinking about it all the time, when I woke up in the morning, when I went to sleep at night, and that went on for eight years.
I hated every minute of training, but I said, ‘Don’t quit. Suffer now and live the rest of your life as a champion.’