“At least so far, it’s climate change policy that’s doing harm. Climate change itself is probably doing good; or at least, more good than harm.”
Quoted in "Tony Abbott says climate change is 'probably doing good'" https://www.theguardian.com/australia-news/2017/oct/10/tony-abbott-says-climate-change-is-probably-doing-good, The Guardian, October 10, 2017
2017
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Tony Abbott 71
Australian politician 1957Related quotes

“There is far more danger of harm than there is hope of good in any radical changes.”
Source: 1920s, Speech on the Anniversary of the Declaration of Independence (1926)

Said in a visit to Nigeria in 2019. Recorded in an Instagram post https://www.instagram.com/p/Bzxt5h-nYhT/ on UN Environment

“You need a change of soul rather than a change of climate.”
Epistulae Morales ad Lucilium (Moral Letters to Lucilius), Letter XXVIII: On travel as a cure for discontent

Stephen Shen (2013) cited in " No nuclear power, more carbon: minister http://www.taipeitimes.com/News/taiwan/archives/2013/03/21/2003557614" on Taipei Times, 21 March 2013

“As to diseases, make a habit of two things — to help, or at least, to do no harm.”
Epidemics, Book I, Ch. 2, Full text online at Wikisource
Variant translation: The physician must be able to tell the antecedents, know the present, and foretell the future — must mediate these things, and have two special objects in view with regard to disease, namely, to do good or to do no harm.
Paraphrased variants:
Wherever a doctor cannot do good, he must be kept from doing harm.
Viking Book of Aphorisms : A Personal Selection (1988) by W. H. Auden and Louis Kronenberger, p. 213.

“No people do so much harm as those who go about doing good.”
Quoted by Louise Creighton in Life and Letters of Mandell Creighton, vol. 2 http://books.google.com/books?id=XFrIeWud0_wC&q=%22no+people+do+so+much+harm+as+those+who+go+about+doing+good%22&pg=PA501#v=onepage. (1905)