Lack of Trust and confidence. To suspect; to fear; to be apprehensive. A feeling of uncertainty or lack of conviction.
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"I'm going to always rise above the doubt that may exist about me."
"I love it when people doubt me. It makes me work harder to prove them wrong." Derek Jeter
"Laugh at yourself, but don't ever aim your doubt at yourself. Be bold. When you embark for strange places, don't leave any of yourself safely on shore. Have the nerve to go into unexplored territory." Alan Alda
"Don't block your blessings. Don't let doubt stop you from getting where you want to be." Jennifer Hudson
"Don't ever doubt yourselves or waste a second of your life. It's too short, and you're too special." Ariana Grande