Wassa matta? You people don’t have Google? It’s the Bard, Sonnet 107

“The mortal moon hath her eclipse endured

“And the sad augurs mock their own presage…”

Schoolmasters used to tell us that this was a reference to Elizabeth the First having passed safely through her menopause (which used to be thought a very dangerous time for a woman’s health), but I think Rowse has exploded this theory.