verses 8-14 Figure of speech Parecbasis. App-6.
tree of life. Genitive of cause (App-17). the Tree supporting and continuing the life which had been imparted. Compare Genesis 3:22. Hence "the bread of life", John 6:48; John 6:51; John 6:53.
midst. Compare Revelation 2:7.
knowledge. sense or perception (Genesis 12:12.Song of Solomon 6:11.Isaiah 59:8; Isaiah 59:8).
good and evil. See on Genesis 2:17.