We have a pretty witty king,
Whose word no man relies on;
He never said a foolish thing,
Nor ever did a wise one.
Source, in full
About King Charles II of England, as quoted in Blackwood's Edinburgh Magazine Vol. XLIV (January–June 1857) p. 592; It is said to that this was written on the door of Charles II's bedchamber, and that on seeing it, the king replied, "This is very true: for my words are my own, and my actions are my ministers'."