Bible Verses About Oaths used for Binding to Performance of Sacred Duties

If a man vow a vow unto the LORD, or swear an oath to bind his soul with a bond; he shall not break his word, he shall do according to all that proceedeth out of his mouth.

And they sware unto the LORD with a loud voice, and with shouting, and with trumpets, and with cornets.

And 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 round about.

They clave to their brethren, their nobles, and entered into a curse, and into an oath, to walk in God's law, which was given by Moses the servant of God, and to observe and do all the commandments of the LORD our Lord, and his judgments and his statutes;

How he sware unto the LORD, and vowed unto the mighty God of Jacob;