"Reality confronts man with a great many musts, but all of them are conditional the formula of realistic necessity is You must, if and the if stands for man's choice"

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For that again, is what all manner of religion essentially is: childish dependency. If something is irrational, that means it won't work. It's usually unrealistic. People don't just get upset. They contribute to their upsetness. People have motives and thoughts of which they are unaware. Rational beliefs bring us closer to getting good results in the real world. Self-esteem is the greatest sickness known to man or woman because it's conditional. The art of love is largely the art of persistence.

— Albert Ellis