In Maslow's hierarchy of needs, food, shelter and clothing are much more important and fundamental than self-actualization. That is, it's hard to reach nirvana if you lack the basic essentials. But is the opposite true? If you reach self-actualization, do the basic essentials remain as important? There are certainly a number of deep thinkers in several religions or belief systems who will stress the importance of self-actualization over the basic necessities.