"I think, therefore I am. Everything can be doubted, but the very act of my doubting and my existence cannot be doubted."
Today's Question
What is your own 'sustaining belief' that is never shaken, even after doubting all external information and others' judgments?
The philosopher who sat inside a room doubting all laws of the universe
Descartes lived during the Scientific Revolution of the 17th century when medieval scholastic authority collapsed. He sought to establish an absolute foundation of knowledge.
On a cold winter day during military service, he spent the day alone inside a small stove-heated room, doubting all his senses and conventional wisdom. Assuming even mathematical truths could be illusions created by an evil demon, he found the single indubitable truth: the act of doubting itself.