'Speak' in the Bible

Of course not! God is true, even if everyone else is a liar. As it is written, "You are right when you speak, and win your case when you go into court."

But if our unrighteousness commend the righteousness of God, what shall we say? Is God unrighteous who taketh vengeance? (I speak as a man)

And we have known that as many things as the law saith, to those in the law it doth speak, that every mouth may be stopped, and all the world may come under judgment to God;

even as David also doth speak of the happiness of the man to whom God doth reckon righteousness apart from works:

I speak after the manner of men because of the infirmity of your flesh: for as ye have yielded your members servants to uncleanness and to iniquity unto iniquity; even so now yield your members servants to righteousness unto holiness.

Know ye not, brethren, (for I speak to them that know the law,) how that the law hath dominion over a man as long as he liveth?

I speak the truth in Christ—I am not lying; my conscience is testifying to me with the Holy Spirit—

and the righteousness of faith doth thus speak: 'Thou mayest not say in thine heart, Who shall go up to the heaven,' that is, Christ to bring down?

For I speak to you Gentiles, inasmuch as I am the apostle of the Gentiles, I magnify mine office:

But since we have special gifts which differ in accordance with the diversified work graciously entrusted to us, if it is prophecy, let the prophet speak in exact proportion to his faith;

For I will not dare to speak of any of those things which Christ hath not wrought by me, to make the Gentiles obedient, by word and deed,

with power manifested in signs and marvels, and through the power of the Holy Spirit. But--to speak simply of my own labours--beginning in Jerusalem and the outlying districts, I have proclaimed without reserve, even as far as Illyricum, the Good News of the Christ;