Men do not believe in the power of education. We do not think we can speak to divine sentiments in man, and we do not try. We renounce all high aims.
Ralph Waldo EmersonNature is upheld by antagonism. Passions, resistance, danger, are educators. We acquire the strength we have overcome.
Ralph Waldo EmersonNo man has a right perception of any truth, who has not been reacted on by it, so as to be ready to be its martyr.
Ralph Waldo Emerson