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
He Who Learns Must Suffer
In Agamemnon, the Greek poet Aeschylus wrote: He who learns must suffer. In our sleep, pain which cannot forget falls drop by drop upon the heart until, in our own despair, against our will, comes wisdom to us by the awful grace of God