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Quote by Carl Sagan

“As agonizing a disease as cancer is, I do not think it can be said that our civilization is threatened by it. ... But a very plausible case can be made that our civilization is fundamentally threatened by the lack of adequate fertility control. Exponential increases of population will dominate any arithmetic increases, even those brought about by heroic technological initiatives, in the availability of food and resources, as Malthus long ago realized.”

Quote by Carl Sagan

Author

Carl Sagan

Carl Sagan was an American astronomer, cosmologist, author, and science communicator, born on November 9, 1934, in Brooklyn, New York. He is renowned for his profound research into the cosmos and his dedication to popularizing science. Sagan proposed numerous theories about the origin of the universe and life, and he made complex scientific knowledge accessible to the public with his unique perspective and clear, engaging writing style. more

“Its [the anthropological method] power to make us understand the roots from which our civilization has sprung, that it impresses us with the relative value of all forms of culture, and thus serves as a check to an exaggerated valuation of the standpoint of our own period, which we are only too liable to consider the ultimate goal of human evolution, thus depriving ourselves of the benefits to be gained from the teachings of other cultures and hindering an objective criticism of our own work.”

“Love of liberty means the guarding of every resource that makes freedom possible-from the sanctity of our families and the wealth of our soil to the genius [of] our scientists.”

Mean Science Wealth Liberty Genius Civilization Resources Scientist Our Family Soil Sanctity Guarding

Author:Dwight D. Eisenhower

“The beginning of civilisation is the discovery of some useful arts, by which men acquire property, comforts, or luxuries. The necessity or desire of preserving them leads to laws and social institutions. The discovery of peculiar arts gives superiority to particular nations ... to subjugate other nations, who learn their arts, and ultimately adopt their manners;- so that in reality the origin as well as the progress and improvement of civil society is founded in mechanical and chemical inventions.”

Source: Salmonia: or, Days of fly-fishing; in a series of conversations: with some account of the habits of fishes belonging to the genus Salmo. Consolation in travel, or, The last days of a philosopher

“The fact remains that, if the supply of energy failed, modern civilization would come to an end as abruptly as does the music of an organ deprived of wind.”

Ifs Doe Ends Facts Science Energy Modern Wind Failure Civilization Future Remains Organs Deprived Modern Civilization

Book:Matter and energy

Source: Matter and energy

“The price we pay for our advance in civilization is a loss of happiness through the heightening of the sense of guilt.”

Loss Pay Civilization Guilt

Book:Civilization and Its Discontents

Source: Civilization and Its Discontents

“The sole precoccupation of this learned society was the destruction of humanity for philanthropic reasons and the perfection of weapons as instruments of civilization.”

Reason Humanity Civilization Weapons Perfection Destruction Instruments Sole Philanthropic

Author:Jules Verne

“The world we know at present is in no fit state to take over the dreariest little meteor ... If we have the courage and patience, the energy and skill, to take us voyaging to other planets, then let us use some of these to tidy up and civilize this earth. One world at a time, please.”