Bible Verses About Oaths: Binding to performance of sacred duties

When a man vows a vow to the LORD, or swears an oath to bind his soul with a bond, he shall not break his word. He shall do according to all that proceeds out of his mouth.

They swore to the LORD with a loud voice, and with shouting, and with shofars, and with cornets.

All Judah rejoiced at the oath; for they had sworn with all their heart, and sought him with their whole desire; and he was found of them: and the LORD gave them rest all around.

they joined with their brothers, their nobles, and entered into a curse, and into an oath, to walk in God’s Torah, which was given by Moses the servant of God, and to observe and do all the commandments of the LORD our Lord, and his ordinances and his statutes;

how he swore to the LORD, and vowed to the Mighty One of Jacob: