'Speak' in the Bible

But if our unrighteousness demonstrates the righteousness of God, what shall we say? God is not wrong to inflict His wrath [on us], is He? (I am speaking in purely human terms.)

For I will not [even] presume to speak of anything except what Christ has done through me [as an instrument in His hands], resulting in the obedience of the Gentiles [to the gospel], by word and deed,