The tree in blake’s poem can be interpreted as an allusion to the tree of the knowledge of good and evil in the bible. defying god's command, adam and eve eat from the tree, and in return god expels them from the garden of eden. how does this allusion affect the poem's meaning? it demonstrates that by being turned into something healthy—an apple—the speaker's wrath has been forgiven. it implies that morality changes in different situations so that one cannot decide what is good and what is evil. it depicts a world in which even the most innocent things, such as an apple, can conceal death at their core. it suggests that because it has been nourished by anger, the apple will harm anyone who eats it.