Sutra: Do not live in the world in distraction and false dreams, Outside the law. ~The Dhammapada of Gautama the Buddha. C.A. 500B.C.~
The mind never allows you to be where you are, it never allows you to see things as they are. Either it drags you inot memories -- which are nothing but footprints on the sands of time -- or it drags you into the future: great projections, great expectations, desires, goals.... And you become so much involved with them, as if they have some reality!
Live in the world, but not through the mind. Don't let the past or the future stand between you and reality. And you will know what Buddha calls the eternal law. You will pulsate with it, vibrate with it. You will be just a wave in the great ocean of the law. You will be in such attunement, in such at-onement, in such deep harmony and accord that the whole sky will start showering flowers on you, the whole existence will rejoice with you.