„It is true if you believe it to be true.“

— Louise L. Hay
„To believe your own thought, to believe that what is true for you in your private heart is true for all men, — that is genius.“
— Ralph Waldo Emerson
„A Conformist is a man who declares, "It's true because others believe it" - but an Individualist is NOT a man who declares, "It's true because I believe it."An Individual declares, "I believe it because I see in reason that it is true.“
— Ayn Rand
„Face front, true believer!“
— Stan Lee
„When someone shows you their true colors, believe them.“
— Dolly Parton
„You are beautiful,” he whispered to me. “If you say so.” “Do ye not believe me? Have I ever lied to you?” “That’s not what I mean. I mean—if you say it, then it’s true. You make it true.“
— Diana Gabaldon