Albert Ellis

"Perfectionism is the enemy of happiness."

"When you change your thinking, you change your life."

"Self-blame and low self-esteem originate from absolutistic thinking."

"The most powerful word in the universe is 'should'—and it's destroying your life."

"Do not demand that things happen as you would wish, but wish them to happen as they do."

"Enthusiasm is not something you have, it's something you create."

"Humans are born with a propensity for irrational thinking."

"You can't be a good lover if you hate yourself."

"Growth requires facing your fears head-on."

"The ability to be alone is the ability to be at peace."

"Beliefs create reality, not the other way around."

"Your past is not your potential."

"The greatest discovery of our generation is that people can alter their lives by altering their attitudes of mind."

"Instead of demanding that life be easy, ask yourself why it should be."

"You mainly feel the way you think."

"Belief in yourself and belief in your future is the key to success."

"Change is inevitable, but suffering is optional."

"The key to success is knowing how to fail."

"Human disturbance is largely self-created and can be reduced by rational thinking."

"Your character is not determined by circumstances; it's determined by your choices."

"You will always be anxious if you make other people's approval your goal."

"Rational thinking is the key to emotional health."

"Love is not something you feel; it's something you do."

"You are never as stuck as you think you are."

"Personal responsibility is the beginning of personal power."

"The more you obsess about the future, the less you live in the present."

"Failure is feedback, not finality."

"You cannot love yourself if you despise your nature."

"The purpose of life is to enjoy it."

"Stop wishing and start doing."