Ambiguously

“Friendship is unnecessary, like philosophy, like art.... It has no survival value; rather it is one of those things which give value to survival.”
― C.S. Lewis, The Four Loves

“So we beat on, boats against the current, borne back ceaselessly into the past.”
― F. Scott Fitzgerald, The Great Gatsby

“Success is not final, failure is not fatal: it is the courage to continue that counts.”
― Winston S. Churchill

“You only live once, but if you do it right, once is enough.”
― Mae West