In a dream it comes from 'avoidance' [mujanaba]; it is a need for which he has not performed ablution.
Whoever sees as though he is in a state of major ritual impurity is striving for a need that requires ablution.
Whoever sees that he is praying while in a state of major impurity will travel in obedience [to God]. It is said that he is corrupt in religion, and it is said that major impurity is a matter becoming confused for the one who sees it.
Whoever sees that he is in a state of major impurity and finds no water to wash himself will find it hard to obtain what he seeks in the affairs of this world and the Hereafter.