Mark 9:22 Commentary - Whedon's Commentary on the Old and New Testaments
22. If thou canst do The father has hopes, but not strong faith. He knows this to be a most inveterate case. He has heard the revilings of the scribes, and is still watched by their sharp, sarcastic faces. He has heard of Jesus’s power he has perhaps seen it displayed; but that it can reach this case, after the plain failure of his disciples, is hard, and perhaps too good to believe.
Consult other comments:
Mark 9:22 - The Greek Testament
Mark 9:22 - Calvin's Complete Commentary
Mark 9:22 - The Cambridge Bible for Schools and Colleges
Mark 9:22 - Adam Clarke's Commentary and Critical Notes on the Bible
Mark 9:22 - Companion Bible Notes, Appendices and Graphics
Mark 9:22 - Ellicott's Commentary for English Readers (Old and New Testaments)
Mark 9:22 - The Expositor’s Greek Testament by Robertson
Mark 9:22 - Garner-Howes Baptist Commentary
Mark 9:22 - John Gill's Exposition of the Entire Bible
Mark 9:22 - Gnomon of the New Testament
Mark 9:22 - Henry Alford's Greek Testament
Mark 9:22 - Jamieson, Fausset and Brown's Commentary Critical and Explanatory on the Whole Bible
Mark 9:22 - Robertson's Word Pictures in the New Testament
Mark 9:22 - A Popular Commentary on the New Testament
Mark 9:22 - John Trapp's Complete Commentary (Old and New Testaments)
Mark 9:22 - The Treasury of Scripture Knowledge
Mark 9:22 - Vincent's Word Studies in the New Testament
Mark 9:22 - Whedon's Commentary on the Old and New Testaments
Whedon's Commentary on the Old and New Testaments

Daniel D. Whedon (1808-1885) was a prominent university professor, theologian, and author. He served as Professor of Ancient Languages at Wesleyan University in Connecticut; as Professor of Rhetoric at the University of Michigan; and as editor of the Methodist Quarterly Review from 1856 to1884. He authored numerous books including Commentary on the New Testament (New York: Carlton & Porter, 1860); Commentary on the Old Testament (New York: Nelson & Phillips, 1873); What is Arminianism? (Toronto: W. Briggs, 1879); and Essays, Reviews, and Discourses (New York: Phillips & Hunt, 1887).