Mediation and silence lets us dive deep and observe, the breath , the sensations, the feelings, the thoughts. I think that's what is the river (of thoughts) . Observing within gets us to the habit of even observing deeply outside
Wow. I am still thinking about the line. "It is looking in the rear view mirror that we haven't left any clutter behind, any obstruction for someone else. To leave the past behind and be sure that it will be there in future." This translates for me to surrender, awareness, being in the present, compassion, love.