Exodus 15:26 in 6 translations

And said, If thou wilt diligently hearken to the voice of the LORD thy God, and wilt do that which is right in his sight, and wilt give ear to his commandments, and keep all his statutes, I will put none of these diseases upon thee, which I have brought upon the Egyptians: for I the LORD that healeth thee.

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

and he said, If thou wilt diligently hearken to the voice of Jehovah thy God, and wilt do that which is right in his eyes, and wilt give ear to his commandments, and keep all his statutes, I will put none of the diseases upon thee, which I have put upon the Egyptians: for I am Jehovah that healeth thee.

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

And he said, If thou wilt diligently hearken to the voice of Jehovah thy God, and do what is right in his eyes, and incline thine ears to his commandments, and keep all his statutes, I will put none of the complaints upon thee that I have put upon the Egyptians; for I am Jehovah who healeth thee.

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 He saith, `If thou dost really hearken to the voice of Jehovah thy God, and dost that which is right in His eyes, and hast hearkened to His commands, and kept all His statutes: none of the sickness which I laid on the Egyptians do I lay on thee, for I, Jehovah, am healing thee.

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.

and he said, “If you will diligently listen to Yahweh your God’s voice, and will do that which is right in his eyes, and will pay attention to his commandments, and keep all his statutes, I will put none of the diseases on you, which I have put on the Egyptians; for I am Yahweh who heals you.”

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

And he said, If with all your heart you will give attention to the voice of the Lord your God, and do what is right in his eyes, giving ear to his orders and keeping his laws, I will not put on you any of the diseases which I put on the Egyptians: for I am the Lord your life-giver.

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