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.