The fundamental concept in social science is Power, in the same sense in which Energy is the fundamental concept in physics.
E = mc²
Blessed is he who has overcome all passions and then proceeds energetically to perform his duties under all circumstances careless of success! Let the motive lie in the deed, not in the outcome.
The Law of conservation of energy tells us we can't get something for nothing, but we refuse to believe it.
The energy of the mind is the essence of life.
