Grounding, or earthing, power is one of the basic techniques of magic. Power much be grounded every time it is raised. Otherwise, the force we feel as vitalizing energy degenerates into nervous tension and irritability.
Now sink to the ground and relax. Place your palms flat on the ground, or lie flat. let the power sink through you into the earth. (Even if you are fifteen floors up, visualize the energy traveling down the building into the earth.) Relax, and let the force flow through you…let it flow deep into the earth…where it will be cleansed and renewed. Relax and let yourself drift peacefully.
Exercise courtesy of The Spiral Dance by Starhawk