Psalm 40:9 in the World English Bible
I have proclaimed glad news of righteousness in the great assembly. Behold, I will not seal my lips, LORD, you know.
Context
8 I delight to do thy will, O my God: yea, thy law is within my heart.
9 I have preached righteousness in the great congregation: lo, I have not refrained my lips, O LORD, thou knowest.
10 I have not hid thy righteousness within my heart; I have declared thy faithfulness and thy salvation: I have not concealed thy lovingkindness and thy truth from the great congregation.