After discussing the barriers to willing the Good authentically and in simplicity, Kierkegaard tells his reader that “if a man shall will the Good in truth, then he must be willing to do all for the Good or be willing to suffer all for the Good.”
Willing the Good authentically demands complete commitment. Kierkegaard will go on to encourage his reader to “use his cleverness to expose evasions” – to examine all the ways he cleverly avoids doing the Good he knows he should do.
Thus far Purity of Heart has been fairly abstract. In the final portion of this work, things get more concrete for the reader as Kierkegaard turns his attention to the question What Then Must I Do?