“You speak from your heart, young Firepaw. This will make you a stronger warrior one day." said LionheartTigerclaw growled. "Or it might make him give in to kittypet weakness right at the moment of attack”

“Granny was right,' I said. 'When you forgive someone it does make you stronger. It makes your heart bigger than your hate.”

“Love didn't make you weak, it made you stronger.”

“What are you eating?" he ask us."Whatever won't kill me, please" I said."Whatever don't kill you'll make you stronger" says Eddie, who is always ready with folksy wisdom."All right," I say. "Then give me whatever will make me stronger.""One pizza, coming up.”

“Never Quit.... Never ever Quit... You might feel weak when there is someone stronger and more skilled than you are, but if you don’t quit there is a chance to prove your determination.... but quitting makes you lose already...”

“I always thought love made you stupid. Made you weak. A bad Shadowhunter. 'To love is to destroy.'I believed that[...]I used to think being a good warrior meant not caring,[...] And then I met you. You were a mundane. Weak. Not a fighter. Never trained[...] Love didn't make you weak, it made you stronger than anyone I'd ever met. And I realized I was the one who was weak.”