"All that is necessary to awaken to yourself as the radiant emptiness of spirit is to stop seeking something more or better or different, and to turn your attention inward to the awake silence that you are"
Understand that turning inwards does not mean directing your minds attention to some inner body voice or feeling etc. You are not your thoughts or your feelings - you are the Awareness behind them & that is how you must operate in the world now. Turning inwards means being mentally still, which allows our awareness to expand. By preventing the mind from rising outside of this witnessing awareness that you are, one becomes conscious of being this Awareness that is an activity not an entity/object. Therefore you are not so much turning in as you are being still mentally allowing your conscious awareness to expand and become deeper - clear and more comprehensive. You will realize you exist on many different dimensions besides the mental and the physical.
Look around you at everything without thinking. Be open hearted and minded. Feel the moment knowing at any moment AS the moment you are going to be guided or made aware somehow what to do, say or be. You do not need to think when you are so fully aware. This awareness may come from within at a vision, voice, a feeling or just knowing, or it may come as a sign through the synchronicity and serendipity of the outer moment - which you also are. Either way it will come. Be so deep in the moment that the bird outside singing is felt to be a part of your body. This is what it means to go within.