Related:

• To live well, know the difference between good and evil.
• Discipline must come through liberty. . . . We do not consider an individual disciplined only when he has been rendered as artificially silent as a mute and as immovable as a paralytic.
  He is an individual annihilated, not disciplined. -- Maria Montessori...
• The teacher must derive not only the capacity, but the desire, to observe natural phenomena.
  The teacher must understand and feel her position of observe...
• The confession of evil works is the first beginning of good works. -- St. Augustine
• For good, return good. For evil, return justice.
• There is a great difference between not wishing to do evil and not knowing how. -- Seneca
• Be not overcome of evil, but overcome evil with good. -- New Testament -- Romans xii, 21
• The doing evil to avoid an evil cannot be good. -- Samuel Taylor Coleridge
• One does evil enough when one does nothing good. German Proverb