Psalms 66

18 If I regard sin and baseness in my heart [that is, if I know it is there and do nothing about it],

The Lord will not hear [me]; [Prov 15:29; 28:9; Is 1:15; John 9:31; James 4:3]

19 But certainly God has heard [me];

He has given heed to the voice of my prayer.