We are scared because of our notions of birth and death, increasing and decreasing, being and non-being. Nirvana means extinction of all notions and ideas. If we can become free from these notions we can touch the peace of our true nature.
There are eight basic concepts that serve to fuel our fear. They are the notions of birth and death, coming and going, the same and different, being and non-being. These notions keep us from being happy. The teaching given to counteract these notions is called “the eight no’s,” which are no birth, no death, no coming, no going, not the same, not different, no being, no non-being.
~Thich Nhat Hanh, The Practice of Looking Deeply, Shambhala Sun Magazine, 2002