Quote by Nick Carter

Okay, yeah, you don't have a lot of testosterone pumping through your veins or whatever, but if you want to be strong and you…

— Katy O'Brian

“testosterone’s actions are contingent and amplifying, exacerbating preexisting tendencies toward aggression rather than creating aggression out of thin air.”

— Robert M. Sapolsky

I grew up with a lot of boys. I probably have a lot of testosterone for a woman.

— Cameron Diaz

“Testosterone makes people cocky, egocentric, and narcissistic.”

— Robert M. Sapolsky

“The higher the testosterone, the lower the maturity level.”

— Jennifer DeCuir

“why do I train because muscles are strength and earning them teaches us that we can create our own strength”

— Cameron Díaz

Look, there's no proof that athletes like us who may have higher testosterone levels are benefiting from this natural human body trait.

— Dutee Chand

If your body produces testosterone naturally, fine. Mine doesn't.

— Chael Sonnen

“Success in everything from athletics to chess to the stock market boosts testosterone levels.”

— Robert M. Sapolsky

“My manly strength will not allow me to choose a less unyielding material," Matt said. "I have rocks for muscles. You fear my strength.”

— Sarah Beth Durst

“The next time I had nothing to do, I'd have to get a book on testosterone-driven behavior.”

— Richelle Mead

“Think testosterone,’ says Matthew, ‘multiply it by πr2 and double it. Forget boys locked in boarding schools. They’ve spent ten months as a caterpillar…

— Isabella Tree