Who said "The artist who fears failure has already failed."?

This quote is attributed to Sergei Diaghilev.

The artist who fears failure has already failed. - Sergei Diaghilev

"The artist who fears failure has already failed."

Sergei Diaghilev Fear

Impresario & Entrepreneur Russian 1872–1929

"Astonish me!"

"I want you to steal."

"The public always prefers entertainment to art."

"Art should be ephemeral."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."