[IDEM libro quadragensimo nono ad edictum. ] §8.3.10.prLabeo ait talem seruitutem constitui posse, ut aquam quaerere et inuentam ducere liceat: nam si liceat nondum aedificato aedificio seruitutem constituere, quare non aeque liceat nondum inuenta aqua eandem constituere seruitutem? et si, ut quaerere liceat, cedere possumus, etiam ut inuenta ducatur, cedi potest.
[THE SAME, Commentary on the Edict, Book 49] Labeo says that such a servitude can be established, namely, that it is permitted to search for water and to lead it when found; for if it is permitted to establish a servitude when a building is not yet constructed, why should it not equally be permitted to establish the same servitude when water is not yet found? And if we can grant the right so that it is permitted to search, it can also be granted so that the water, when found, may be led.