"In physics, energy has a very precise definition: it is what characterises something changing in the world surrounding us. Counting energy is therefore nothing else than counting how much the world has changed."

Jean-Marc Jancovici Politics See all quotes by Jean-Marc Jancovici →

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“Material can follow a circular path, but energy can only add up. One of the challenges is that even "circular economy" needs "linear energy.”

“If we have a bottleneck on energy, in terms of volume not in terms of price, then we can have a bottleneck on production. And its is probably what has been happening by little steps since 1975. And if we have an additional bottleneck on resources, then we will also get an additional bottleneck on production.”

“When we have replaced human workers by machines, we have gained the fact that we can change the world for 1,000 to 10,000 times less in terms of monetary input. This explains all that has happened to us during the Industrial Revolution. This basically explains all that we have witnessed during the last two centuries.”

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"Never call yourself a philosopher, nor talk a great deal among the unlearned about theorems, but act conformably to them. Thus, at an entertainment, don't talk how persons ought to eat, but eat as you…"

— Epictetus

Philosophy50–138

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"Amid the destructive convulsions of the physical world, even pious minds may have for an instant questioned the superintending providence of God. In the midst of famine, or pestilence, or war, they ma…"

— David Brewster

Science1781–1868

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"Why do I need this protection? I am not a president or a king; I am a mere member of the Dutch Parliament, one of 150 elected parliamentarians in the Tweede Kamer, the House of Representatives of the …"

— Geert Wilders

Politics1963

#justice

"I care nothing for creeds. I am not concerned with any one's religious belief. But I would have men think for themselves. If we do not, we can only abandon one superstition to take up another, and it …"

— Henry George

Philosophy1839–1897

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