'Solemnly' in the Bible

"I solemnly swear to heaven I say "As certainly as I'm alive and living forever,

Later, after the two months were concluded, she returned to her father, and he fulfilled what he had solemnly vowed and she never married. That's how the custom arose in Israel

After this, Job spoke up solemnly, cursing the day he was born.

"Moreover, I solemnly swore to them in the wilderness that I wouldn't bring them to the land that I had given them a land flowing with milk and honey, the most beautiful of all lands

"Futhermore, I solemnly swore in the wilderness to disperse them among the nations and scatter them to other lands

Then he began to curse violently. "I don't know the man!" he swore solemnly. Just then a rooster crowed.

After saying this, Jesus was deeply troubled in spirit and declared solemnly, "Truly, I tell all of you emphatically, one of you is going to betray me!"

He also ordered us to preach to the people and to testify solemnly that this is the one appointed by God to be the judge of the living and the dead.

With God as my witness, as well as the Messiah Jesus and the chosen angels, I solemnly call on you to carry out these instructions without prejudice, doing nothing on the basis of partiality.

Since you are in the presence of God, who gives life to everything, and in the presence of the Messiah Jesus, who gave a good testimony before Pontius Pilate, I solemnly charge you

In the presence of God and the Messiah Jesus, who is going to judge those who are living and those who are dead, and in view of his appearing and his kingdom, I solemnly appeal to you