More from Arthur Conan Doyle
- The Boer War (1902)
- The Hound of the Baskervilles (1902), Chapter 2In context
- The Hound of the Baskervilles (1902), Chapter 1In context
More about knowledge
- ?UnattributedOften credited to Albert Einstein
Socrates470–399 BCII: xxxi. Original Greek: ἓν μόνον ἀγαθὸν εἶναι, τὴν ἐπιστήμην, καὶ ἓν μόνον κακόν, τὴν ἀμαθίαν

