We are all too much inclined, I think, to walk through life with our eyes shut. There are things all round us and right at our very feet that we have never seen, because we have never really looked.
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 Bell