“You can't change the past, but you can ruin the present by worrying about the future.”
Karen Blixen (1885–1962) Danish writer
Source: Lamb: The Gospel According to Biff, Christ's Childhood Pal
“You can't change the past, but you can ruin the present by worrying about the future.”
Karen Blixen (1885–1962) Danish writer
Frank Herbert book Dune
Variant: It is difficult to live in the present, pointless to live in the future and impossible to live in the past.
Source: Dune
Barbara Bush (1925–2018) former First Lady of the United States
On the abortion debate, in which her stance was the opposite of her husband's, as quoted in TIME magazine (24 August 1992)
“The present changes the past. Looking back you do not find what you left behind.”
Kiran Desai book The Inheritance of Loss
Source: The Inheritance of Loss
R. G. Collingwood (1889–1943) British historian and philosopher
Source: "Some Perplexities about time: with an attempted solution" (1925), p. 149. as cited in: Jonathan Gorman, "The transmission of our understanding of historical time." Historia Social y de la Educación 1.2 (2012): 129-152.
“The past is the past. You cannot change it, but you can learn from it.”
Nicholas Sparks (1965) American writer and novelist