I have declared my ways, and thou heardest me: teach me thy statutes.
I have declared my ways, and thou heardest me - namely, in my prayer under affliction (Psalms 118:5; Psalms 118:21). "My ways" are here, my whole case (Psalms 37:5). He means not a bare mention, but a confidential and decided committal of himself and all his concerns to God, as a sick man does to his physician, a client to his advocate (Gejer).
Teach me thy statutes - that by my obedience to them I may testify my gratitude.