I thought you are going to elaborate on how is it relevant to today's people. Isn't it?
First, people are increasingly realizing the importance of a well cultivated human mind. A human being is able to 'think' using his mind. No other living creature on earth possesses this ability to think.
But, it has been proved that humans are able to use - at best - a very small percentage of what mind is capable of, may be 4 to 5% not more. Why is that? One problem is that mind is perpetually in a state of activity. It gets some rest only during the sleep. But, during waking s…