Sophiology (Russian: Софиология, by detractors also called Sophianism Софианство or Sophism Софизм) is a controversial school of thought in Russian Orthodoxy which holds that Divine Wisdom (or Sophia) is to be identified with God's essence, and that the Divine Wisdom is in some way expressed in the world as 'creaturely' wisdom.[1] This notion has often been characterized as introducing a feminine "fourth hypostasis" into the Trinity.[2]