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I start early and I stay late, day after day, year after year. It took me 17 years and 114 days to become an overnight success.
Mathematics is the language with which God has written the universe.
The only thing that can save the world is the rediscovery of the human soul.
The coal industry is not just about digging the ground; it's about powering the future.
It is not because certain things are difficult that we do not dare;it is because we do not dare that things are difficult.