I talked about how my hastening nature caused me to make a mistake in a physics experiment, and how the later period as I tried to fix my errors I also learned the value of appreciating the work put in doing things, rather than scrambling for the result itself.
Does it sound good?
I would say it depends. As an idea, it could be done well, but I would caution that it could also work against you. Be sure that the essay answers the prompt asked, and it reads for its intended purpose.
Ironically, if this essay topic reads as if you only started your essay an hour before the application is due, it may suffer.
I am glad you have learned the lesson in appreciating the value of putting in all the work.
Be sure to show, don’t just tell. And write the essay that no one else could write. The essay is your chance to convince them that you are unique, and deserving of a coveted spot.
You very well may be on the right track. Best of luck.
@3puppies thank you for the great reply. I have been working on this PS for a while now. Some of my friends said it is good, but I have seen some thread on CC which said peer edit doesn’t work that well lol xD
I don’t have much adults to read it, as I’m an international student.
I think I will just apply and hope for the best. Who know? 
Why don’t you ask an English teacher you like to look it over?
Aside from us, you can also get an opinion from your teachers at school.
Meh. IMHO, not so good. Boring. IMHO it doesn’t make you sound like an interesting, vibrant, amazing young person who I can’t wait to have on my college campus. It sounds like someone very old and uptight. But again, my HUMBLE opinion (so the haters can save it). Surely in your life there is more to you than learning to be detail oriented and careful in your work while putting effort into the process rather than just the result?
However, I agree that any topic, if well written, can be excellent. I also agree to see what an English teacher has to say about it.
Yow. ^
A thoughtful essay is fine. Self awareness is good. Humility is good. A nice tlae of growth can do it.
OP we don’t know how you delivered this, in writing. Please have a local teacher review it.