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— Winston Churchill"We used to be a source of fuel; we are increasingly becoming a sink. These supplies of foreign liquid fuel are no doubt vital to our industry, but our ever-increasing dependence upon them ought to arouse serious and timely reflection. The scientific utilisation, by liquefaction, pulverisation and other processes, or our vast and magnificent deposits of coal, constitutes a national object of prime importance."
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I have forgiven myself; I'll make a change. Once that forgiveness has taken place you can console yourself with the knowledge that a diamond is the result of extreme pressure. Less pressure is crystal, less than that is coal, less than that is fossilized leaves or plain dirt. Pressure can change you into something quite precious, quite wonderful, quote beautiful and extremely hard.
— Maya Angelou
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It is very different to make a practical system and to introduce it. A few experiments in the laboratory would prove the practicability of system long before it could be brought into general use. You can take a pipe and put a little coal in it, close it up, heat it and light the gas that comes out of the stem, but that is not introducing gas lighting. I'll bet that if it were discovered to-morrow in New York that gas could be made out of coal it would be at least five years before the system would be in general use.
— Thomas A. Edison
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