Mental resources rely on metabolic energy as their physical substrate.
Our brain consumes 20% of the body's metabolic energy.
This is more than 100 times the energy used by a smartphone each day.
The brain uses about the same amount of energy as all our muscles combined.
The human nervous system actively conserves energy.
- Procrastination is a defense mechanism.
- Motivation doesn't create action; action creates motivation.
- Discipline is a consequence, not a cause.