In the Lotus Sutra the Buddha assures us our ability to attain enlightenment! Nichiren established the most efficacious manner to carry out the practice of the Lotus Sutra: chanting Odaimoku – Namu Myoho Renge Kyo – assures us of manifesting our inherent Buddhahood in this very lifetime.
There are numerous predictions in the Lotus Sutra of future enlightenment of various people representing all the conditions of enlightenment. So no matter how we may view our present condition, the cause for enlightenment exists in this very moment within the phrase of the Sacred Title of the Lotus Sutra.
Lotus Path: Practicing the Lotus Sutra Volume 1