Can the prayer “Our Father” said before an action replace the consecration?
No. It can, at most, create in our being a state of communion with God, but cannot replace consecration, because consecration is our offering given directly to God, to whom we offer the fruits of our actions. It does not have any connection with the prayer. I can say “Our Father ” to feel close to God, but this does not exclude to offer Him the fruits of my action also. They are two different things. We should not make this confusion. If you feel that it is difficult to open towards God to realise the consecration, before that you can say “Our Father”. You say “Our Father”, you feel that state of empathic communion, of embracing which God gives you when you say “Our Father” with feeling, and after that you make the consecration as such. To say “Our Father”, to feel the state of communion with God, and after that to say: “OK! I have consecrated, now I can make love with my lover. I consecrated and God answered me” does not have any efficiency from the standpoint of karma-ic unconditioni