John Bartlett (1820–1905). Familiar Quotations, 10th ed. 1919.
10421 Appendix John Bartlett
| NUMBER: | 10421 |
| AUTHOR: | Appendix |
| QUOTATION: | Castles in the air. |
| ATTRIBUTION: | This is a proverbial phrase found throughout English literature, the first instance noted being in Sir Philip Sidney’s “Defence of Poesy.” |