Who said "The strength of style comes from perfection"?

This quote is attributed to George Gershwin.

The strength of style comes from perfection - George Gershwin

"The strength of style comes from perfection"

George Gershwin

Jazz Composer Pianist American 1898–1937

"Life is a lot like jazz - it's better when you improvise"

"I frequently hear music in the very heart of noise"

"The real American folk song is a rag"

"True music must repeat the thought and inspirations of the people and the time"