Concepts and ideas are incapable of expressing reality as it is. Nirvana, the ultimate reality, cannot be described, because it is free of all concepts and ideas. Nirvana is the extinction of all concepts. It is total freedom. Nirvana, the ultimate reality, or God, is of the nature of no-birth and no-death.

Thich Nhat Hanh

from Your True Home: The Everyday Wisdom of Thich Nhat Hanh