Sticking to it is the genius.
The endeavor to change universal power by selfish supplication I do not believe in.
Genius is one percent inspiration, ninety-nine percent perspiration.
Barring serious accidents, if you are not preoccupied with worry and you work hard, you can look forward to a reasonably lengthy existence.... Its not the hard work that kills, its the worrying that kills.
I have not failed. I've just found 10,000 ways that won't work.
I start where the last man left off. What the mind of man can conceive and believe, the mind of a man can achieve.