Dreaming is an act of pure imagination, attesting in all men a creative power, which if it were available in waking, would make every man a Dante or Shakespeare.

Summary

This quote suggests that dreaming, being a purely imaginative act, reveals the creative capacity inherent in all individuals. It implies that if this creative power were accessible during the waking state, every person would possess the potential to become a great artist like Dante or Shakespeare. The quote emphasizes the idea that everyone has the ability to tap into their imagination and unlock their creative potential, even if it may be more elusive in waking life.