“Every good idea sooner or later degenerates into hard work.”
“Plans are only good intentions unless they immediately degenerate into hard work.”
“...every monologue sooner or later becomes a discussion.”
“An idea is like a cold germ: sooner or later someone always catches it.”
“Not all popular novelists are good, but all good novelists are, sooner or later, popular.”
“It hardly needs to be said: sooner or later secrets have a way of making themselves known.”