When you know, without a shadow of doubt, that the spirit of God is within you, for you have actually experienced the Presence in the silence of your heart, then you have truly grown in being. In your daily life you become a proof of this knowledge -- a witness to others by what you are. A witness in a court testifies to what has been seen, and the strength of that evidence helps to clarify the truth of the case. So, as one who knows love, you convince those with whom you come into contact, of some indefinable quality which seems to give you the ability to flow with life with a glowing radiation. Others derive strength from your strength, and their fear is dispersed -- even if only momentarily -- by your peace, your understanding of what they are going through, and by your sincere concern. What you ARE, far more than what you say or do, will be the witness of your faith.
Mindfulness is an ancient form of meditation in which one pays attention to the present moment and all that's unfolding in that moment, both within and around one. It's known also as conscious living because the person practicing it is forming an aware and intimate relationship with each moment.
When practicing mindful meditation we aren't striving to do anything, we aren't grasping, struggling, thinking, expecting, or wanting but simply letting whatever is there be there and paying attention to it in a non-judgmental way. We come to terms with reality as it is, bringing all our awareness to it, breathing with it, attending it.