it behooves one to do

it behooves (one) to (do something)

It would be beneficial for one to do (something). It behooves him to give his boss two weeks' notice so that he maintains a good professional relationship with her. It behooves you to call your mother before she hears about your pregnancy from someone else.
See also: behoof

it behooves one to do something

Cliché it is necessary for one to do something; it is incumbent (up)on someone to do something. It behooves me to report the crime. It behooves you to pay for the window that you broke.
See also: behoof, one