His "MU" was a blow aimed at breaking or untying the attachment even at the teaching itself; the essence is non-attachment. All human troubles and sufferings, without exception, are due to attachment. Even attachment to the idea of non-attachment is the attachment. It transcends the relative world and gains the free and independent world of satori.
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Our life is always attached to the relative: the "is" and the "is not," "good" and "bad," "right" and "wrong". But life itself constantly changing: the condition of society changes, right and wrong changes. Every situation is different according to the time and place. Static concepts are not appropriate to life, but the concepts like faith, hope, and love are; because they grow and evolve.
The biggest and most captivating smile that I have ever received is in 2004, when I was doing a charity work to the marginal people who live in the landfill of the wealthiest people in the country. The warmest hug that I have ever received from a stranger is in 2018 from the homeless man who stop and asked me if I have a spare change which I did not have. Despite the fact that I had nothing to give him, he gave me a hug that I can't forget, the hug that come unexpected yet so beautiful. God usually pack a lot of power and strength into tiny little packages, in the most humble way.