2 Corinthians 1:19-20

For Jesus Christ, the Son of God, does not waver between “Yes” and “No.” He is the one whom Silas, Timothy, and I preached to you, and as God’s ultimate “Yes,” he always does what he says. For all of God’s promises have been fulfilled in Christ with a resounding “Yes!” And through Christ, our “Amen” (which means “Yes”) ascends to God for his glory.