"Perhaps you see big trees and little trees and think that big trees are older than little trees. You also might notice that there are more little trees than big trees, and so not every little tree grows up to be a big tree – most die young. But the little trees must come from somewhere, namely seeds produced and shed by the bigger trees. These are the core ideas of population ecology."

"Harold and I tried to plant new trees, but they won't take because of the roots. You got to dig up the old stumps and they go way down. It cost a lot and the roots go everywhere. Under the streets and…"

"1/2 cup of hope and 1/2 cup of kindness seem like a litmus test by asking "Is the glass half empty or half full?" Nature shows us in every waking moment that where there is life, there is hope. And to…"

"Barring the one short generation under Akbar when the moral and material condition of the people was on the whole good, the vast majority of our population during 1526-1803 led a miserable life."

"It is imperative that we restrict in every possible way the influence of neo-Stalinists in our political life."