The Lankavatara sutra is a sutra reference to Chan Buddhism (Zen in Japanese). The first patriarchs but I think to Hui Neng especially reading it and commenting. We can only recommend its reading and comment. The work of the translator, Patrick Square, is remarkable. In a very great subtlety and great fidelity to the text, its translation demonstrates advanced knowledge of doctrine and classical Chinese erudition that one little game. Finally a reliable sutra text to the researcher.