I am looking for a phrase, metaphor, or cliche to mean "putting one's plans into action".
I am using it in the following sentence.
As the events of the play proceed, however, Hamlet becomes increasingly hesitant about following through with his plans. He wastes much of his time ruminating on whether or not he should [insert phrase here].
The wording of the sentence is likely subject to change depending on what phrase I use, but that is the general idea.