James Lovelock Quotes
One thing that being a scientist has taught me is that you can never be certain about anything. You never know the truth. You can only approach it and hope to get a bit nearer to it each time. You iterate towards the truth. You don't know it.
Hickman, Leo. "James Lovelock: 'The UK should go for broke on nuclear power'." The Guardian, 29 Mar. 2010.
Nothing that has ever been “certain” in the world of science has remained certain for more than 100 years and most certain things have been shown to be wrong or too simplistic in less than 30 years.
James Ephraim Lovelock, CH CBE FRS is an English independent scientist, environmentalist and futurist. He is best known for proposing the Gaia hypothesis, which postulates that the Earth functions as a self-regulating system.