实现明天的唯一限制是我们今天的疑虑。
The only limit to our realization of tomorrow is our doubts of today.
Pain is temporary. It may last a minute, or an hour, or a day, or a year, but eventually it will subside and something else will take its place. If I quit, however, it lasts forever.
The true value of a forest can never be measured in board feet alone.
最伟大的故事是那些留下伤痕的故事。