To be truly rich is to have all the things that you need to be happy and sustain happiness. If you're lonely, despite having oodles of money, it's difficult to say that you're truly wealthy. Of course, money is often necessary to indulge the needs of your body, but it's not enough to satisfy the higher wants (e.g., love, contentment, self-esteem, cognitive-intellectual growth, security, living with someone your equal or greater than you are) of the soul. Well, the matter is really nothing complicated. If you're not completely rich, then you're not rich at all. Money is very important, all right. It may not be everything, yet it's something. But, again, it's not a sufficient, much less necessary, condition to be rich and happy.