Fantasies are more than substitutes for unpleasant reality; they are also dress rehearsals, plans. All acts performed in the world begin in the imagination.
I had a lot of trouble with engineers, because their whole background is learning from a functional point of view, and then learning how to perform that function.
The true teacher defends his pupils against his own personal influence. He inspires self-trust. He guides their eyes from himself to the spirit that quickens him. He will have no disciples.