As to Bell's talking telegraph, it only creates interest in scientific circles, and, as a toy it is beautiful; but ... its commercial value will be limited.
Elisha GrayWhen the uncultured man sees a stone in the road it tells him no story other than the fact that he sees a stone ... The scientist looking at the same stone perhaps will stop, and with a hammer break it open, when the newly exposed faces of the rock will have written upon them a history that is as real to him as the printed page.
Elisha GrayA man who is all theory is like "a rudderless ship on a shoreless sea." ... Theories and speculations may be indulged in with safety only as long as they are based on facts that we can go back to at all times and know that we are on solid ground.
Elisha Gray