The important thing, Jesus is saying (in Matthew 5:33-37), is to tell the truth and keep one's pledges without insisting that a certain form of words must be used if it is to be binding. No oath is necessary for the truthful person... Their word is so reliable that nothing more than a statement is needed from them.
D. A. CarsonPrayer is God's appointed means for appropriating the blessings that are ours in Christ Jesus.
D. A. CarsonFor the far higher task of teaching fortitude and patience I was never fool enough to suppose myself qualified, nor have I anything to offer my readers except my conviction that when pain is to be borne, a little courage helps more than much knowledge, a little human sympathy more than much courage, and the least tincture of the love of God more than all.
D. A. CarsonFor example, the Bible does say this is a proposition, "There is no God." But of course the context of Psalm 14:1 enriches it a bit: "the fool has said in his heart, there is no God." So there are contextual constraints and when you finish putting in all the contextual constraints and sophisticated discussions of what inerrancy is and isn't.
D. A. Carson