1 Samuel 25:21 in 6 translations

Now David had said, Surely in vain have I kept all that this hath in the wilderness, so that nothing was missed of all that unto him: and he hath requited me evil for good.

1611 / 1769 · Public domain · The Authorised Version, revised to the 1769 Blayney text. Includes the Apocrypha as printed in 1611.

Now David had said, Surely in vain have I kept all that this fellow hath in the wilderness, so that nothing was missed of all that pertained unto him: and he hath returned me evil for good.

1901 · Public domain · The American revision of the English Revised Version. Deliberately literal, and the base text behind several later translations.

Now David had said, Surely, in vain have I kept all that this [man] had in the wilderness, so that nothing was missed of all that was his; and he has requited me evil for good.

1890 · Public domain · John Nelson Darby's translation, made for close study rather than public reading. Often exposes grammatical detail other versions smooth over.

And David said, `Only, in vain I have kept all that this one hath in the wilderness, and nothing hath been looked after of all that he hath, and he turneth back to me evil for good;

1898 · Public domain · The most extreme word-for-word rendering here, keeping Hebrew and Greek tense and word order at the cost of natural English.

Now David had said, “Surely in vain I have kept all that this fellow has in the wilderness, so that nothing was missed of all that pertained to him. He has returned me evil for good.

2000s · Public domain · A modern-English update of the ASV. Reads close to contemporary speech while staying in the literal tradition. Includes the Apocrypha.

Now David had said, What was the use of my taking care of this man's goods in the waste land, so that there was no loss of anything which was his? he has only given me back evil for good.

1949 · Public domain · Written with roughly a thousand basic English words plus a small Bible vocabulary. The plainest reading available here.