“Only a fool can be happy. For happiness consists of two contradictory elements: contentment and pleasure. Enjoy pleasure and you have no contentment; be content and you have no pleasure. For this reason happiness is conceivable only for those who enjoy themselves without thinking that they will always want more and thus be discontented, or for those who are content without thinking that they have no pleasure. Whoever reflects can never be happy, unless he is a fanatic and thus blinded…thus exercising control over his intelligence with his feelings, instead of the other way round”

“He had passed his life in the pursuit of happiness, and had never learnt that happiness is best attained when it is not sought; and, moreover, is only known when it is lost. It is doubtful whether anyone can say "I am happy"; but only "I was happy". For happiness is not well-being, content, heart's ease, pleasure, enjoyment: all these go to make happiness, but they are not happiness.”

“To have understood the polymorphous character of pleasure and happiness is of course to have rendered those concepts useless for utilitarian purposes; if the prospect of his or her own future pleasure or happiness cannot for reasons which I have suggested provide criteria for solving the problems of action in the case of each individual, it follows that the notion of the greatest happiness of the greatest number is a notion without any clear content at all. It is indeed a pseudo-concept available for a variety of ideological uses, but no more than that.”

“The happiness of those who want to be popular depends on others; the happiness of those who seek pleasure fluctuates with moods outside their control; but the happiness of the wise grows out of their own free acts.”

“I have never searched for happiness. Who wants happiness? I have searched for pleasure.”

“Nothing is miserable unless you think it so; and on the other hand, nothing brings happiness unless you are content with it.”