“Happiness doesn’t depend on any external conditions, it is governed by our mental attitude.”– Dale Carnegie Related Quotes “The secret of happiness is the determination to be happy always, rather than wait for outer circumstances to make one happy.”– J. Donald Walters “Friendship is a strong and habitual inclination in two persons to promote the good and happiness of one another.”– Eustace Budgell “Happiness is a wine of the rarest vintage, and seems insipid to a vulgar taste.”– Logan P. Smith