Thomas Alva Edison (February 11 1847 - October 18 1931) was an American inventor and businessman who developed many devices which greatly influenced life in the 20th century. Dubbed "The Wizard of Menlo Park" by a newspaper ...
I am not discouraged, because every wrong attempt discarded is another step forward.
If we did all the things we are capable of doing, we would literally astonish ourselves.
As a cure for worrying, work is better than whiskey.
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