Mathematics is not a spectator sport; to understand it, one must engage with it actively.

"The most dangerous stories are the ones we tell ourselves."

The only limits that exist are the ones you place on yourself.

We are all haunted by the ghosts of our past.

要想改变世界需先改变他自己。

发现可能性的极限的唯一方法是超越它们进入不可能。