Begin to be aware of anything which ordinarily happens unconsciously, for example - anger, jealousy, pride - and your consciousness will be deepened. Act consciously, even in day-to-day acts be conscious, for example - walking, eating, talking - and your consciousness will be expanded. Be alert when thinking. No thought should be allowed to pass unwitnessed. And then, in the end, there is explosion in which you become totally conscious with no unconsciousness behind.