The proof of good brain is great gains.
All of life’s goodness and profit are released via the brain.
You cannot possess a sound brain and end as mediocre.
If the brain is good, it will show in great gains, where there are no great gains, the brain should be challenged and upgraded into a good functional one.
Enhance your brain to increase your gain.
Engage your brain, exercise it to release its potentials thereby maximzing its gains.