Free children are not easily influenced; the absence of fear accounts for this phenomenon. Indeed, the absence of fear is the finest thing that can happen to a child.
A. S. Neill, Summerhill Quotes, Verses, Sayings
Love and hate are not opposites. The opposite of love is indifference.
The difficult child is the child who is unhappy. He is at war with himself; and in consequence, he is at war with the world.