(philosophy, humorous) The effect of one's actions or conduct supersedes one's ideology or opinions.

you cannot escape the consequence of your actions / you are finished; nothing can save you

Traditionally spoken during a wedding ceremony to allow guests an opportunity to voice any objections to the union.

It is easy to lose sight of one's initial objective, becoming caught up in subtasks or in tasks only tangentially related to the original goal.

Alternative form of don't teach your grandmother how to suck eggs

Alternative form of you don't dip your pen in company ink

Alternative form of you don't dip your pen in company ink

One should avoid romantic or sexual relationships in the workplace.

If you do me a favor then I will do you a favor; quid pro quo.

One should not depend upon a favorable (and typically overoptimistic) outcome to one's plans until it is certain to occur.