'Ignorance is not innocence but sin' —quoted by-

Robert Browning: Major English poet of the Victorian age, noted for his mastery of dramatic monologue and psychological portraiture.

His famous quotes:
- Ignorance is not innocence but sin.
- So absolutely good is truth, truth never hurts the teller.

Among Browning’s important publications are:
- The Ring and the Book (1868–69),
- Pauline (1833),
- Bells and Pomegranates (1841–46),
- My Last Duchess,
- Men and Women (1855),
- Dramatis Personae (1864),
- Asolando (1889).

Source: britannica