John Bartlett (1820–1905). Familiar Quotations, 10th ed. 1919.
1654 William Shakespeare 1564-1616 John Bartlett
| NUMBER: | 1654 |
| AUTHOR: | William Shakespeare (1564–1616) |
| QUOTATION: | We know what we are, but know not what we may be. |
| ATTRIBUTION: | Hamlet. Act iv. Sc. 5. [text] |
| WORKS: | William Shakespeare Collection. |