NET
39 You study the scriptures thoroughly because you think in them you possess eternal life, and it is these same scriptures that testify about me,
Darby
39 Ye search the scriptures, for ye think that in them ye have life eternal, and they it is which bear witness concerning me;
KJV
39 “Search the scriptures; for in them ye think ye have eternal life: and they are they which testify of me.”