You can sell tiny slivers of wood and become extremely wealthy, because it isn’t the profession that gives wealth, but Hashem’s blessings.
The only condition is that you must enjoy this type of work. If you are happy with your business, Hashem can help you become wealthy from it. ~ R’ Elimelech of Lizensk zt”l
What is the source of this, where can I find the original quote of R’ Elimelech of Lizensk zt”l