A thing chosen always as an end and never as a means we call absolutely final. Now happiness above all else appears to be absolutely final in this sense, since we always choose it for its own sake and never as a means to something else.
The secret of health for both mind and body is not to mourn for the past, nor to worry about the future, but to live the present moment wisely and earnestly. There are only two mistakes one can make along the road to truth; not going all the way, and not starting.
Don't be a cynic, and bewail and bemoan. Omit the negative propositions. Don't waste yourself in rejection, nor bark against the bad, but chant the beauty of the good. Set down nothing that will help somebody.
At the door of every happy person there should be a man with a hammer whose knock would serve as a constant reminder of the existence of unfortunate people.