The historical Buddha’s enlightenment indicates a highly achieved state of experience, but the logic of this experience is such that it does not lend itself fully and easily to an intellectual understanding. …In spite of this gap between personal experience and intellectual understanding….I have not read any other accounts of this topic that are packed with so much useful information as here in Motoyama’s piece….Because the text contains this intrinsic merit, I am confident that it will appeal to those who have a personal, existential interest in Buddhist meditation in particular and meditation in general.