The title is meant to sound provocative. "Man cannot do" and "Withouth me you can do nothing" are well known sayings!.
It is best to start with manual tasks, small things, and gradually take on larger tasks.
The above quotation is from C. S, Nott, who was an excellent gardener. Out of the three mentioned activities (which are not the only ones), gardening is no doubt the most useful.
Pilgrimages can be defined in many ways: they go often to places that are "thin"; meaning that the veil between heaven and earth is at its thinnest.
Spiritual Archaeology makes discoveries inside us and verifies them with the support of discoveries made in the outside world in many different sources of knowledge..
Doing in the sense that I mean is closely connected with creativity, or I could also say, with doing the impossible, not doing, being in the flow and so on.