Thomas Aquinas, on Job 15:35

“He hath conceived sorrow, and hath brought forth iniquity, and his womb prepareth deceits.”

“He adds a third sin of deceit. So the text continues, "He conceived pain," because he premeditated in his heart the kind of pain he would inflict on others. The conception of this pain has born harm unjustly inflicted and so the text continues, "and given birth to evil." He adds as a consequence the manner in which he accomplished this saying, "and his womb prepares evil intent." Truly a hypocrite's nature is to plot harm against others by deceit, not in the open. By the term "womb" he means the heart in which spiritual conceptions take place after the manner of the corporeal conceptions which take place in the womb.”

Imported from an open dataset — not yet checked against the printed edition.