Who said "The key word in my plays is 'perhaps'."?

This quote is attributed to Samuel Beckett.

The key word in my plays is 'perhaps'. - Samuel Beckett

"The key word in my plays is 'perhaps'."

Samuel Beckett

Playwright Novelist Irish 1906–1989

"All that is needed is a little patience."

"Nothing to be done."

"I can't go on, I'll go on."

"Ever tried. Ever failed. No matter. Try again. Fail again. Fail better."