Quote by Hans Eysenck

"Intelligence is the most important human trait"

"Personality is determined by genetics and environment in equal measure"

"Neuroticism is a predictor of psychological distress"

"The best person is one who scores high on extraversion and low on neuroticism"

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."