Need online help Moby-Dick: In “The Try Works,” Ishmael quotes Solomon’s statement

In “The Try Works,” Ishmael quotes Solomon’s statement that “the man that wandereth out of the way of understanding shall remain in the congregation of the dead.” In what ways is Moby-Dick a novel about understanding—observing, interpreting, making meaning—and the failure to understand? Where would you place Ishmael and Ahab on the spectrum of understanding?