So many older people, they just sit around all day long…

Creative writing and shooting are muscles that atrophy. But when you work them, you become a self-generator who can branch out.

— Eli Roth

Unused ability, like unused muscles, will atrophy.

— Eleanor Roosevelt

Personally, I've never understood inactivity. Why a person would sit when he could soar, be a spectator when he could play, or atrophy when…

— Bill Hybels

“Humans need challenges to overcome, just like a muscle needs resistance to grow. In a zero-gravity environment, an astronaut’s muscles atrophy because there is…

— Adam Carolla

You see, you don't get old from age, you get old from inactivity, from not believing in something.

— Jack LaLanne

The essence of decay is inactivity.

— Jack LaLanne

Inactivity is the killer and, remember, it's never too late.

— Jack LaLanne

“When you stop being present emotionally and/or mentally, you lose part of your strength.”

— Rob McNamara

“But Alfanhui didn't want to abuse the rosemary, because one shouldn't tell a lot in one day, since the stories lose their strength.”

— Rafael Sánchez Ferlosio

“They say: 'Seek wisdom while you have the strength, or you may lose the strength without gaining wisdom.”

— Idries Shah

“YOU HAVE TO BE BOSS, AND NEVER LOSE YOUR STRENGTH TO A WEAKLING!”

— David Robinson

Rather than the strength it takes to not lose, it's the strength to stand back up after a loss that is sometimes more valuable.

— Kyo Shirodaira

Lose hope find strength, lose strength find hope.

— Jeremy Limn

Don’t allow negative people to steal your joy. When you lose your joy, you lose your strength.

— Joel Osteen

You never want to lose a strength, but I've also got to try and be a complete hitter.

— Mookie Betts