But let a man know that there are things to be known, of which he is ignorant and it is so much carved out of his domain of universal knowledge.
- Horace Mann
- Virtue is an angel, but she is a blind one, and must ask Knowledge to show her the pathway that leads to her goal. - Horace Mann
- Be ashamed to die until you have won some victory for humanity. - Horace Mann
- Education is our only political safety. Outside of this ark all is deluge. - Horace Mann
- Manners easily and rapidly mature into morals. - Horace Mann
- A teacher who is attempting to teach without inspiring the pupil with a desire to learn is hammering on a cold iron. - Horace Mann