If you'd like, you can read more about Thomas Edison.
3 quotations — all marked as Serious.
Genius is one percent inspiration, and ninety-nine percent perspiration.1.
I have not failed; I've just found 1000 ways that won't work.2.
[Response to the idea that he had failed after 1000 experiments to develop a storage battery.]
Just because something doesn't do what you planned it to do doesn't mean it's useless.3.