There’s a battle of knowledge held within the mind. This battle is only conducted by Thought. Thought is the knowledge…

It is only ideas that conflict with one another that creates turmoil and friction within ones own mind. This very same turmoil and friction is tension on the brain. Tension impedes on the brain’s processing power and energetic fluidity. 

In our daily lives our brains are often in agitation. Again, agitation is also friction in the mind, which impedes the energy of the brain assuredly.