Rewrite the given below sentence with the suitable usage of the preposition.
I've learned by experience that if you work harder at it, and apply more energy and time to it, and more consistency, you get a better result.
1
I've learned by experience that if you work harder on it, and apply more energy and time to it, and more consistency, you get a better result.
2
I've learned from experience that if you work harder at it, and apply more energy and time to it, and more consistency, you get a better result.
3
I've learned to experience that if you work harder at it, and apply more energy and time to it, and more consistency, you get a better result.
4
I've learned from experience that if you work harder towards it, and apply more energy and time to it, and more consistency, you get a better result.