There should be not only a general attitude, but each work should be offered to the Mother so as to keep the attitude a living one all the time. There should be at the time of work no meditation, for that would withdraw the attention from the work, but there should be the constant memory of the One to whom you offer it. This is only a first process; for when you can have constantly the feeling of a calm being within concentrated in the sense of the Divine Presence while the surface mind does the work, or when you can begin to feel always that it is the Mother’s force that is doing the work and you are only a channel or an instrument, then in place of memory there will have begun the automatic constant realisation of Yoga, divine union, in works.
Ref : The Mother with Letters on The Mother