If you are distressed by anything external, the pain isnot due to the thing itself but to your own estimate of it; and this you havethe power to revoke at any moment.
In oneof our concert grand pianos, 243 taut strings exert a pull of 40,000 poundson an iron frame. It is proof that out of great tension may come great harmony.
I have learned through bitter experience the one supremelesson to conserve my anger, and as heat conserved is transmitted intoenergy, even so our anger controlled can be transmitted into a power that canmove the world.