“The only thing limiting your aspiration is your imagination.”
“The only limits are the ones in your own imagination.”
“You are only limited by your own imagination”
“You're only limited by your passion and your imagination. Be open to the possibilities, take chances.”
“Vary your training, your running partners, and your environment. Only your imagination limits the ways you can spice up your running routine.”
“There's no such thing as im-POSSIBLE, Hiccup, only im-PROBABLE. The only thing that limits us are the limits to our imagination”