New Living Translation
David replied, “I fasted and wept while the child was alive, for I said, ‘Perhaps the LORD will be gracious to me and let the child live.’

American Standard Version
And he said, While the child was yet alive, I fasted and wept: for I said, Who knoweth whether Jehovah will not be gracious to me, that the child may live?

Berean Study Bible
David answered, “While the child was alive, I fasted and wept, for I said, ‘Who knows? The LORD may be gracious to me and let him live.’

Douay-Rheims Bible
And he said: While the child was yet alive, I fasted and wept for him: for I said: Who knoweth whether the Lord may not give him to me, and the child may live?

English Revised Version
And he said, While the child was yet alive, I fasted and wept: for I said, Who knoweth whether the LORD will not be gracious to me, that the child may live?

King James Bible
And he said, While the child was yet alive, I fasted and wept: for I said, Who can tell whether GOD will be gracious to me, that the child may live?

World English Bible
He said, "While the child was yet alive, I fasted and wept; for I said, 'Who knows whether Yahweh will not be gracious to me, that the child may live?'

Young's Literal Translation
And he saith, 'While the lad is alive I have fasted, and weep, for I said, Who knoweth? -- Jehovah doth pity me, and the lad hath lived;

2 Samuel 12:22 Additional Translations ...