Those who wander in the world avowedly and purposely in pursuit of happiness, who view every scene of present joy with an eye to what may succeed, certainly are more liable to disappointment, misfortune and unhappiness, than those who give up their fate to chance and take the goods and evils of fortune as they come, without making happiness their study, or misery their foresight.

The Early Diary of Frances Burney, 1768-1778 (ed. 1913)