A Biblical term that is often translated or used as heart or mind, that literally means kidneys (pl.) or loins, from the Hebrew kilyah, (כִּלְיָה)i12and the Greek ephros , (νεφρός) meaning kidney, fig. the (inmost) mind. The reins are the seat of the inward feelings, emotions, and passions of man.3
1 “King Benjamin’s Self Reliance,” Jan. 23, 2014, blog post.
2 Teachings of the Prophet Joseph Smith, comp. Joseph Fielding Smith (Salt Lake City: Deseret Book, 1976), 322, herein cited as TPJS; The Words of Joseph Smith, comp. Andrew F. Ehat and Lyndon W. Cook (Provo, UT: Religious Studies Center, Brigham Young University, 1980), 244, herein cited as WJS; Joseph Smith Papers (Salt Lake City: The Church Historian’s Press, 2008–ongoing), Journals Vol. 3:86, herein cited as JSP.
3 Strong’s Concordance, G3510.