So long as oil is used as a source of energy, when the energy cost of recovering a barrel of oil becomes greater than the energy content of the oil…

- M. King Hubbert

Our ignorance is not so vast as our failure to use what we know.

- M. King Hubbert

It is hard to know which is the more remarkable- that it took 600 million years for the Earth to make its oil, or that it took 300 years to use it up.

- M. King Hubbert

Historical chronology, human or geological, depends... upon comparable impersonal principles. If one scribes with a stylus on a plate of wet clay two…

- M. King Hubbert

Growth, growth, growth -- that's all we've known . . . World automobile production is doubling every 10 years; human population growth is like nothin…

- M. King Hubbert

Were we a rational society, a virtue of which we have rarely been accused, we would husband our oil and gas resources.

- M. King Hubbert

It is evident that the fortunes of the world's human population, for better or for worse, are inextricably interrelated with the use that is made of …

- M. King Hubbert

[The] first postulate of the Principle of Uniformity, namely, that the laws of nature are invariant with time, is not peculiar to that principle or t…

- M. King Hubbert

History, human or geological, represents our hypothesis, couched in terms of past events, devised to explain our present-day observations.

- M. King Hubbert