On This Day: 21 May 1970 ---------- performs nuclear test at Novaya Zemlya USSR ?

Questions

"the quality of mercy is not strained; it droppeth as the gentle rain from heaven upon the place beneath."?

"all the world's a stage, and all the men and women merely players."?

"well, everyone can master a grief but he that has it."?

"for there was never yet philosopher that could endure the toothache patiently."?

"love sought is good, but given unsought is better."?