Who said "We are what we imagine ourselves to be."?

This quote is attributed to Wallace Stevens.

We are what we imagine ourselves to be. - Wallace Stevens

"We are what we imagine ourselves to be."

Wallace Stevens

Poet American 1879–1955

"The only emperor is the emperor of ice-cream."

"One must have a mind of winter to regard the frost and the boughs of the pine trees crusted with snow."

"The imagination is man's power over nature."

"After the final no there comes a yes and on that yes the future world is built."