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Coal will remain a vital energy source, but only if we evolve with the times.
To live in the hearts we leave behind is not to die.
"I guess that’s just part of loving people: You have to give things up. Sometimes you even have to give them up."
The most exciting moments in mathematics are when you discover that two seemingly unrelated areas are deeply connected.
The wisdom of hindsight, so useful to historians and indeed to authors of memoirs, is sadly denied to practising politicians.