fail to do

See: omit
References in classic literature ?
Those who so bind themselves, and are not rapacious, ought to be honoured and loved; those who do not bind themselves may be dealt with in two ways; they may fail to do this through pusillanimity and a natural want of courage, in which case you ought to make use of them, especially of those who are of good counsel; and thus, whilst in prosperity you honour them, in adversity you do not have to fear them.
Do not fail to do one or the other: Restoration from floppies will be tedious, but it should get the computer running again from a standing start.
When asked to identify the five things that leaders most often fail to do when working with others, high percentages of the respondents targeted the same handful of issues.