| 1. | Equality has an organ gratuitous and obligatory instruction. - from Les Miserables by Victor Hugo |
| 2. | And such a state of obligatory and irreproachable idleness is the lot of a whole class--the military. - from War and Peace by Leo Tolstoy |
| 3. | He did not know that where the steward had shown him in the accounts that the serfs' payments had been diminished by a third, their obligatory manorial work had been increased by a half. - from War and Peace by Leo Tolstoy |