Bythree methods we may learn wisdom: first, by reflection, which is noblest;second, imitation, which is easiest; and third by experience, which is thebitterest.
People whoare too concerned with how well they are doing will be less successful andfeel less competent than those who focus on the task itself... Somepsychologists call it a conflict between egoorientation, or between extrinsicand intrinsic motivation...
The tormentof human frustration, whatever its immediate cause, is the knowledge that theself is in prison, its vital force and ‘mangled mind’ leaking away in lonely,wasteful self-conflict.
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.