One view of of thoughts is that there are 2 types of them: one type focused around analysis and problem solving, and a second type focused around the stories the "self" invents and gets absorbed in. This analysis also correlates with different brain activation patterns.
Many people's minds spend most of the time in the second type of thoughts("self"), and it can be very helpful to have less of those, both for peace and other psychological benefits, and for having more mental power and clarity for useful thoughts.
But in the context of ancient India, China, where eastern philosophies came from, people don't need that much thought most of the time, but spiritual qualities can be very useful in small interdependent peasent communities.
Many people's minds spend most of the time in the second type of thoughts("self"), and it can be very helpful to have less of those, both for peace and other psychological benefits, and for having more mental power and clarity for useful thoughts.
But in the context of ancient India, China, where eastern philosophies came from, people don't need that much thought most of the time, but spiritual qualities can be very useful in small interdependent peasent communities.