Be happy, and a reason will come along. – Robert Brault, rbrault.blogspot.com

False happiness renders men stern and proud, and that happiness is never communicated. True happiness renders them kind and sensible, and that happiness is always shared. – Charles de Montesquieu

Happiness is the absence of the striving for happiness. – Zhuangzi

Do not speak of your happiness to one less fortunate than yourself. – Plutarch