如果你不愿意冒险，就永远不会取得伟大的成就。
If you're not willing to take risks, you'll never achieve anything great.
Sometimes you have to lose yourself before you can find anything.
"The past is a foreign country; they do things differently there."
The probability of a response is determined by its reinforcement history.
Factoring large numbers is believed to be hard for classical computers, but quantum computers can do it efficiently.