David Hume
Hume (1711–1776) argued for two kinds of reasoning: probable and demonstrative (Hume's fork), and applied these to the skeptical argument that reality is but an illusion. He concludes that neither of these two forms of reasoning can lead us to belief in the continued existence of an external world. Demonstration by itself cannot establish the uniformity of nature (as laid out by scientific laws and principles), and reason alone cannot establish that the future will resemble the past (e.g. that the sun will rise tomorrow), Probable reasoning, which aims to take us from the observed to the unobserved, cannot do this either, as it also depends on the uniformity of nature, and cannot be proved without circularity by any appeal to uniformity. Hume concludes that there is no solution to the skeptical argument except, to ignore it.
Read more about this topic: Simulation Hypothesis, Origins, Later Thinkers
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“We loiter in winter while it is already spring.”
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“Nothing is demonstrable, unless the contrary implies a contradiction. Nothing, that is distinctly conceivable, implies a contradiction. Whatever we conceive as existent, we can also conceive as non-existent. There is no being, therefore, whose non-existence implies a contradiction. Consequently there is no being, whose existence is demonstrable.”
—David Hume (1711–1776)