This quote has no known author and is recorded as an anonymous proverb.
The essay behind the line argues that dissatisfaction with the present is the necessary first move, not a character flaw. It is often quoted in management writing where the same idea is put more bluntly and less kindly.
Quotes that share a topic with this one.
Whatever you can do, or dream you can, begin it. Boldness has genius, power and magic in it.
The impediment to action advances action. What stands in the way becomes the way.
The fault, dear Brutus, is not in our stars, but in ourselves, that we are underlings.
He who does not seek the impossible will never achieve the possible.
The harder you work for something, the greater you will feel when you achieve it.