Play word 四苦八苦 四苦八苦 しくはっく the four and eight kinds of suffering (birth, old age, disease, death, parting from loved ones, meeting disliked ones, not getting what one seeks, pains of the five skandha)
Play word 楽は苦の種、苦は楽の種 楽は苦の種、苦は楽の種 らくはくのたねくはらくのたね there's no pain without pleasure, and there's no pleasure without pain
Play word 苦海浄土 苦海浄土 くかいじょうど Paradise in the Sea of Sorrow: Our Minamata Disease (1960 semi-fictional novel by Michiko Ishimure)