Make your faith larger than your fears and your dreams larger than your doubts.
— Robin S. Sharma

It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt.
Mark Twain doubt quote

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Picture quote about Doubt

Deep doubts, deep wisdom; small doubts, little wisdom.
— Chinese Proverbs

The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt.
— Bertrand Russell

Excessive fear and self-doubt that were the greatest detractors of personal genius.
— doubt quotation by Robert Kiyosaki