Melancholy and despair, though often, do not always concur; there is much difference: melancholy fears without a cause, this upon great occasion; melancholy is caused by fear and grief, but this torment procures them and all extremity of bitterness.
Section 4, member 2, subsection 3, Causes of Despair, the Devil, Melancholy, Meditation, Distrust, Weakness of Faith, Rigid Ministers, Misunderstanding Scriptures, Guilty Consciences, etc. - The Anatomy of Melancholy (1621)