Experience has two things to teach. The first is that we must correct a great deal and the second, that we must not correct too much. – Eugene Delacroix
The first idea that the child must acquire, in order to be actively disciplined, is that of the difference between good and evil; and the task of the educator lies in seeing that the child does not confound good with immobility and evil with activity. – Maria Montessori
The technology used to detect if vehicles are carrying radioactive material is so sensitive it can tell if a person recently received radiation as part of a medical procedure. – Timothy Murphy