“Successful people never worry about what others are doing.”

“Never worry about theory as long as the machinery does what it's supposed to do.”

Robert A. Heinlein (1907–1988) American science fiction author

“Worry less about what other people think about you, and more about what you think about them.”

Fay Weldon (1931) English author, essayist and playwright

“Put your foot upon the neck of the fear of criticism by reaching a decision not to worry about what other people think, do, or say.”

Napoleon Hill (1883–1970) American author

“Do not anticipate trouble, or worry about what may never happen. Keep in the sunlight.”

Benjamin Franklin (1706–1790) American author, printer, political theorist, politician, postmaster, scientist, inventor, civic activist, …

“Never worry what other people think of you, because no one ever thinks of you.”

Brian K. Vaughan (1976) American screenwriter, comic book creator

“The moment you stop worrying about success is when success will happen.”

Glenn Beck (1964) U.S. talk radio and television host

“In the end, it's never what you worry about that gets you.”

Chuck Palahniuk book Guts

“She would worry, just as you worry. It’s the people who don’t worry—those who never have any doubts that what they’re doing is good and right—they’re the ones that cause the problems.”

Alastair Reynolds book Redemption Ark

“You wouldn't worry so much about what others think of you if you realized how seldom they do.”

Eleanor Roosevelt (1884–1962) American politician, diplomat, and activist, and First Lady of the United States