Nichiren … held that Buddhahood is accessed in the moment of embracing in the Lotus Sūtra:

“As life does not go beyond the moment, the Buddha expounded the blessings that come from a single moment of rejoicing [on hearing the Lotus Sūtra]. If two or three moments were required, this could no longer be called the original vow of the Buddha of great undifferentiating wisdom, the single vehicle of the teaching of immediate enlightenment that enables all beings to attain Buddhahood.” (Page 230)