But isn't the idea to be alone and have no important thoughts in itself is good? For example, you have this huge complex problem that you cannot solve, then do

But isn't the idea to be alone and have no important thoughts in itself is good? For example, you have this huge complex problem that you cannot solve, then don't think about it and relax for one day and then all of a sudden you get an easy solution without even thinking hard about it. Happened to me quite some times.