busy hands are happy hands

Busy hands are happy hands is a cliche which means to stay busy in order to be happy. It is the thought that doing physical work and keeping busy will give you a more positive outlook on life. The phrase is often used to motivate individuals into having more busy lives with physical and creative types of work, rather than spending their days being sedentary. It is also rooted from the concept that you raise your endorphins during physical labor and exercise which can make you happy.