Dynamic activity and deep rest of the mind are complementary to each other.
In every conversation I've had - with housewives in Mumbai, with middle-class people, upper-class, in the slums - everyone says there is an underlying consciousness of karma. That people believe in karma - that what you're putting out is going to come back. If I do something to you, the energy of it is going to come back to me in the future.
There is no fixed physical reality, no single perception of the world, just numerous ways of interpreting world views as dictated by one's nervous system and the specific environment of our planetary existence.
Our thinking and our behaviour are always in anticipation of a response. It is therefore fear-based.