Nature and Books belong to the eyes that see them.
The secret of education lies in respecting the pupil.
If you put a chain around the neck of a slave, the other end fastens itself around you own.
Though we travel the world over to find the beautiful, we must carry it with us or we find it not.
Without ambition one starts nothing. Without work one finishes nothing. The prize will not be sent to you. You have to win it. The man who knows how will always have a job. The man who also knows why will always be his boss. As to methods there may be a million and then some, but principles are few. The man who grasps principles can successfully select his own methods. The man who tries methods, ignoring principles, is sure to have trouble.