When you make a mistake, don't look back at it long. Take the reason of the thing into your mind, and then look forward. Mistakes are lessons of wisdom. The past cannot be changed. The future is yet in your power.
当你犯了错误，不要长时间地回头看。把事情的原因记在心里，然后向前看。错误是智慧的课程。过去无法改变。未来还在你的掌握之中。