“Imagination… its limits are only those of the mind itself.”

“Our only limitations are those we set up in our own minds”

“The force of mind is only as great as its expression; its depth only as deep as its power to expand and lose itself.”

“A liberal mind is a mind that is able to imagine itself believing anything.”

“Your only limitations are those you set up in your mind, or permit others to set up for you.”

“There's no such thing as im-POSSIBLE, Hiccup, only im-PROBABLE. The only thing that limits us are the limits to our imagination”

“Passion was animal flesh, raw desire gnawing and ripping at its early limitations. These passions were to be feared only if undirected by the conscience of the higher self. Mind was the key to the process of enlightenment. Hence reason was the first principle, light itself.”

“The world of reality has its limits; the world of imagination is boundless.”

“The only limit to your impact is your imagination and commitment.”

“One mind can think only of its own questions; it rarely surprises itself.”