I the LORD. Quoted in Romans 8:27; Revelation 2:23.
heart. Put by Figure of speech Metonymy (of Adjunct), for the mind, or intellect.
reins. Put by Figure of speech Metonymy (of Adjunct), for the thoughts, or affections.
even to give. giving. But some codices, with two early printed editions, Septuagint reads, "to give", or "that He may give", and Vulgate, "who gives".
man. Hebrew. 'ish. App-14.
ways. Hebrew text reads "way" (singular); but some codices, with two early printed editions, Aramaean, Septuagint, Syriac, and Hebrew text margin, read "ways" (plural)
and. Some codices, with two early printed editions, Septuagint, Syriac, and Vulgate, read this "and" in the text.
fruit of his doings. Compare Jeremiah 6:19; Jeremiah 32:19.