First, we've got population. The world today has 6.8 billion people. That's headed up to about nine billion. Now, if we do a really great job on new vaccines, health care, reproductive health services, we could lower that by, perhaps, 10 or 15 percent.
https://www.ted.com/talks/bill_gates_innovating_to_zero/transcript?language=en
This is genuine quote:
https://www.goodreads.com/quotes/288637-for-more-than-a-century-ideological-extremists-at-either-end
https://www.goodreads.com/quotes/288636-we-are-grateful-to-the-washington-post-the-new-york