Ignorance!

"Where ignorance is bliss, 'tis folly to be wise."

Tomas Gray was born on December 26, 1716 near St. Michael's Church in Cornhill, London and died on July 30, 1771. He was an English poet and professor of history at Cambridge University in 1768. He was educated at Eton College and became a fellow at Peterhouse and then Pembroke College.

Thom Gray took the Grand Tour to other lands in Europe where he visited Copenhagen tracking stories about cats, which he found in H.C.Andersen’s tales.

Thomas Gray’s collections include: "Elegy Written in a Country Churchyard", "Ode on the Death of a Favourite Cat, Drowned in a Tub of Gold Fishes", "Selected Poems of Thomas Gray", Gray: Poetry and Prose", "Gray's Elegy and Goldsmith's the Deserted Village, the Traveller and Other Poems", "Gray and Collins: Poetical Works", and "Poems by Mr. Gray",

This proverb is from one of his poetry "Ode on a Distant Prospect of Eton College" he wrote in 1742. Some sources say this verse was written in 1747.