The inventor … looks upon the world and is not contented with things as they are. He wants to improve whatever he sees, he wants to benefit the world; he is haunted by an idea. The spirit of invention possesses him, seeking materialization.

Alexander Graham Bell (1847-1922) Scottish-American scientist, inventor, engineer

Speech (1891)

On a plaque at the entrance to the Alexander Graham Bell Museum in Baddeck, Nova Scotia, Canada.