“There does not fall under the scope of God's omnipotence anything that implies a contradiction. Now that the past should not have been implies a contradiction.... Whence, that the past should not have been, does not come under the scope of divine power.”
Source: Summa Theologica (1265–1274), I, q. 25, art. 4
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Thomas Aquinas 104
Italian Dominican scholastic philosopher of the Roman Catho… 1225–1274Related quotes

“If you're always on time, it implies that you never have anything better you should be doing.”
Variant: If you’re always on time, it implies that you never have anything better you should be doing.
Source: Mistborn: The Final Empire

[199709021854.LAA12794@wall.org, 1997]
Usenet postings, 1997

A New Earth (2005)
Variant: Nothing ever happened in the past that can prevent you from being present now, and if the past cant prevent you from being present now, what power does it have?
Source: A New Earth: Awakening to Your Life's Purpose

1980s, First term of office (1981–1985)
Source: Ronald Reagan (6 December 1983), cited by Paul Slansky, The Clothes Have No Emperor