Ambition is the basis for achieving life goals. If only saying "I want to succeed" is not enough therefore it takes ambition to make it happen.
However, it is not enough to make someone successful. Many tablets of people who actually have got a high academic degree and have worked for many years but his life just so-so wrote. It takes more than 'effort' to lead success to you.
Can I dream of being rich? Everyone who is not born from a wealthy family must have dreamed of being a wealthy rich man. Has it ever occurred to you that dreaming of becoming a rich person is a wrong act?
The rich are usually simpler at work. This simply means focusing more on the job by having a single goal to achieve, the success that brings wealth. This you need to do if you want to get rich quick.