Man is a mystery. It needs to be unravelled, and if you spend your whole life unravelling it, don’t say that you’ve wasted time. I am studying that mystery because I want to be a human being.
For, after all, how do we know that two and two make four? Or that the force of gravity works? Or that the past is unchangeable? If both the past and the external world exist only in the mind, and if the mind itself is controllable what then?