If a brain is exercised properly, anyone can grow intelligence, at any age, and potentially by a lot. Or you can just let your brain idle - and watch it slowly, inexorably, go to seed like a sedentary body.
The mind, too, has its regimen. It needs gymnastics, just like the body does.
The brain is muscle. If you don't exercise it, it will get slow.
We should not exercise the body without the joint assistance of the mind; nor exercise the mind without the joint assistance of the body.
I just really like learning. I have to keep using my brain; otherwise, I get depressed.
The reason I don't retire is that I learn something new every day. The brain has to be exercised the same as the rest of the body. It's about expanding, constantly pushing yourself.
True knowledge is power; but in order to feel at home with it, we must be constitutionally qualified. And if we are not, it is likely to give the soul such a twist as to deform it forever.
Talking about smart thinking, The British-made 'Brain Training Podcast' is a brief daily workout for the mind that could easily get addictive.
A lot of effort and money are - rightly - expended keeping the president physically safe. But it's up to the president to maintain a schedule that allows for refueling, so as to be physically and cognitively at his or her best at all times. That's what it means to be strong, tough, and truly fit for the highest office.
The mind requires regular use to remain strong.
A clear and focused mind will last a lifetime. Getting your mind in shape is nothing less than the key to sustainable success in the world.
The brain is a tool that gets rusty without constant, albeit moderate, exercise.