Don't keep forever on the public road, going only where others have gone. Leave the beaten track occasionally and dive into the woods. You will be certain to find something you have never seen before. Of course it will be a little thing, but do not ignore it. One discovery will lead to another, and before you know it, you will have something worth thinking about to occupy your mind, and really big discoveries are the result of thought.
Alexander Graham BellThe day will come when the man at the telephone will be able to see the distant person to whom he is speaking.
Alexander Graham BellGrand telegraphic discovery today โฆ Transmitted vocal sounds for the first time ... With some further modification I hope we may be enabled to distinguish โฆ the โtimbreโ of the sound. Should this be so, conversation viva voce by telegraph will be a fait accompli.
Alexander Graham BellThe inventor is a man who looks around 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