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The greatest shortcoming of the human race is our inability to understand the exponential function.

Albert A. Bartlett
life humanity science sustainability exponential-growth sustainable-development

It is not reasonable that art should win the place of honor over our great and powerful mother Nature. We have so overloaded the beauty and richness of her works by our inventions that we have quite smothered her.

Michel de Montaigne , in Cannibales
nature conservation sustainable-development

Our ancestors did great work for humanity. What will we do for the next generations?

Lailah Gifty Akita , in Think Great: Be Great!
knowledge work humanity inspirational-life society mankind purpose advice education question self-help country warriors capability volunteerism ancestors nation mission educational-philosophy volunteering calling-people next-generation great-expectations great-men great-work sustainable-development warfare-prayers sustainable-living working-people your-fate

We have a duty to care for the environment.

Lailah Gifty Akita , in Think Great: Be Great!
inspirational wise-words care responsibility nature duty protection environment ecosystems degradation sustainable-development outreach responsibility-to-protect inspiring-thought science-and-faith environmental-activist

It is only individual great forces, which must be pulled together, in our common vision of combating the climate change.

Lailah Gifty Akita , in Pearls of Wisdom: Great mind
vision climate-change environment teamwork team-spirit sustainable-development sustainable-living

I was born in a slum, but the slum wasn't born in me.

Jesse Jackson
egypt cities city global-goals jesse-jackson sustainable sustainable-development slum cairo slums goal-11