We haven't failed. We now know a thousand things that won't work, so we are much closer to finding what will.
Thomas A. EdisonI never did anything by accident, nor did any of my inventions come by accident; they came by work.
Thomas A. EdisonTo those searching for truth -- not the truth of dogma and darkness but the truth brought by reason, search, examination, and inquiry, discipline is required. For faith, as well intentioned as it may be, must be built on facts, not fiction -- faith in fiction is a damnable false hope.
Thomas A. Edison