Exhausted Quotes (3 quotes)
Each generation of humanity takes the earth as trustees… We ought to bequeath to posterity as many forests and orchards as we have exhausted and consumed.
From address (22 Apr 1885), as reported in 'An Address by J. Sterling Morton on Arbor Day 1885', Nebraska City News. Also appears in J. Sterling Morton, 'Arbor Day', Proceedings of the American Forestry Congress at its Meeting Held in Boston, September 1885 (1886), 51.
Engineering is a living branch of human activity and its frontiers are by no means exhausted.
From 'Igor Sikorsky the Aviation Pioneer Speaks', Igor I. Sikorsky Historical Archives, sikorskyarchives.com.
The justification for [basic research] is that this constitutes the fount of all new knowledge, without which the opportunities for further technical progress must eventually become exhausted.
From a British government publication, Technological Innovation in Britain (1968), quoted by M. Gibbons and C. Johnson in 'Relationship between Science and Technology', Nature, (11 Jul 1970), 125. As cited in Arie Leegwater, 'Technology and Science', Stephen V. Monsma (ed.), Responsible Technology: A Christian Perspective (1986), 79.
In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
(1987) -- 
