Who said "To pursue excellence is to court failure repeatedly."?

This quote is attributed to Raphael Sanzio.

To pursue excellence is to court failure repeatedly. - Raphael Sanzio

"To pursue excellence is to court failure repeatedly."

Raphael Sanzio Perseverance

Painter Architect Designer Italian 1483–1520

"The true remedy lies in ourselves."

"Excellence is not a skill, it's an attitude."

"Beauty is the purgation of superfluities."

"Art washes away from the soul the dust of everyday life."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."