The best Maxim I know in this life is, to drink your Coffee when you can, and when you cannot, to be easy without it. While you continue to be splenetic, count upon it I will always preach. Thus much I sympathize with you that I am not cheerful enough to write, for I believe Coffee once a week is necessary to that.

Letters Written By The Late Jonathan Swift, D. D. Dean of St. Patrick's, Dublin; And Several Of His Friends (ed. 1766)