Don't watch the clock; do what it does. Keep going.

"We are all prisoners of our own minds, but some of us have built stronger cages than others."

翻译：机遇稍纵即逝，看到合适的时机却犹豫不前，最终只会留下悔恨，该行动时要果断。

The world is a book, and those who don’t travel read only one page.