The secret to happiness is this: Let your interest be as wide as possible, and let your reactions to the things and persons that interest you be as far as possible friendly rather than hostile. 幸福的秘訣是：盡量擴大你的興趣範圍，對感興趣的人和物盡可能友善。

The secret to happiness is this: Let your interest be as wide as possible, and let your reactions to the things and persons that interest you be as far as possible friendly rather than hostile.  幸福的秘訣是：盡量擴大你的興趣範圍，對感興趣的人和物盡可能友善。