Authors:

The greatest medicine is a true friend.

Sir William Temple, Jonathan Swift, Lady Martha Giffard (1740). “The life and character of Sir William Temple, written by a particular friend [his sister Lady Giffard] Observations upon the United provinces of the Netherlands. Miscellanea. Memoirs, the third part, from the peace concluded 1679 to the time of the author's retirement from publick business. Memoirs of what past in Christendom from the war begun 1672, to the peace concluded 1679”, p.309
The greatest medicine is a true friend.