Every addition to true knowledge is an addition to human power.

• Education then, beyond all other devices of human origin, is the great equalizer of the conditions of men, the balance-wheel of the social machinery.
• Every addition to true knowledge is an addition to human power.
• Education then, beyond all other devices of human origin, is the great equalizer of the conditions of men, the balance-wheel of the social machinery.
• Unfaithfulness in the keeping of an appointment is an act of clear dishonesty. You may as well borrow a person's money as his time.
• Every addition to true knowledge is an addition to human power.
• A teacher who is attempting to teach without inspiring the pupil with a desire to learn is hammering on cold iron.
• The teacher who is attempting to teach without inspiring the pupil with a desire to learn is hammering on cold iron.
• Seek not greatness, but seek truth and you will find both.
• If any man seeks for greatness, let him forget greatness and ask for truth, and he will find both.
• Scientific truth is marvelous, but moral truth is divine and whoever breathes its air and walks by its light has found the lost paradise.