Who said "The essential doesn't change."?

This quote is attributed to Samuel Beckett.

The essential doesn't change. - Samuel Beckett

"The essential doesn't change."

Samuel Beckett Truth

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."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."