and at
Sir William Temple does not quote as a saying, but says himself, near the end of his
Essay upon Health and Long Life of Government of Diet and Exercise,
'In both which, all excess is to be avoided, especially in the common use of wine: Whereof the first Glass may pass for Health, the second for good Humour, the third for our Friends; but the fourth is for our Enemies.'
Diogenes Laertius in
Life of Socrates