go without

go without
go without phrasal verb (see also go)
1. go without (something) to not have something that you usually have:
    I like to give the children what they want even if I have to go without.
    It is possible to go without food for a few days.
2. it goes without saying (that) used to say that something is so clearly true that it does not need to be said:
    The Internet, too, it goes without saying, is a good source of information.