Let them be desolate for a reward of their shame that say unto me, Aha, aha. That say unto me, Aha, aha - האח האח. See on Psalms 35:21 (note).
Related Commentaries of Psalms 40:15
Psalms 40:15
15 Let them be desolate for a reward of their shame that say unto me, Aha, aha.