Truly God is good to Israel; i.e. verily, in spite of appearances to the contrary, which had for a time made the writer doubt. It is suggested that the triumph of Absalom may have been the circumstance that shook Asaph's faith.
Even to such as are of a clean heart; i.e. to the pious in Israel, who are the true Israel. God is really on their side, though he may seem for a time to favour the wicked. (On the need of a pure heart, see Psalms 24:4.