https://kknews.cc/education/4e8ov4v.html 

FYI, it is a pity that Percy Besshe Shelley died young; so are his contemporaries, like the Bronte sisters and Cao Xueqin. You may say it is Heaven who is jealous of their talents, but actually, the average life expectancy for humans in pre-modern times was about 40, no matter whether they were in England or China.