Inasmuch as the importance of money can never be overemphasized, I still wouldn't completely agree with your assertion about money being the most important thing in life.
Yes money is quite an important commodity that everyone needs in order to have an easy going life and be able to access the amenities of life and to solve majority of life's problems, but it might also interest you to know that there are some problems that one can't solve no matter the kind of money you have, one of such problems involves certaij health problems, like some incurable or terminal diseases.
That only shows that even health is just as important as wealth, so please change that perspective.