To know how to suggest is the great art of teaching. To attain it we must be able to guess what will interest; we must learn to read the childish soul as we might a piece of music. Then, by simply changing the key, we keep up the attraction and vary the song.
The growth and development of the soul is more important than power and glory.
The best path through life is the highway.
Cleverness is serviceable for everything, sufficient for nothing.
Righteous ends, thus approved, absolve of guilt the most violent means.
The germs of all things are in every heart, and the greatest criminals as well as the greatest heroes are but different modes of ourselves.