You have to tear muscle to grow it. Why would the mind or spirit be any different?

“The sick are the greatest danger for the healthy; it is not from the strongest that harm comes to the strong, but from the weakest.”
— Nietzsche

“The snake which cannot cast its skin has to die. As well the minds which are prevented from changing their opinions; they cease to be mind.”
— Nietzsche

Roth Note: For the nitpickers: The meme is just that, a meme. I didn’t hear Mr. Paine say the words.