“Progress is what happens when impossibility yields to necessity.”
Arnold H. Glasgow
“Restlessness is discontent and discontent is the first necessity of progress. Show me a thoroughly satisfied man and I will show you a failure.”
Thomas Alva Edison
“If necessity is the mother of invention, discontent is the father of progress”
“Scientific progress makes moral progress a necessity; for if man's power is increased, the checks that restrain him from abusing it must be strengthened”
Madame de Stael
“Discontent is the first necessity of progress.”
“Our necessities never equal our wants”
“Curiosity and not necessity is the mother of all inventions.”
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