This document lists and describes 10 cognitive biases that influence human decision making and rationality. It notes that while people think they make rational decisions, cognitive biases show we are boundedly rational. The biases covered include optimism bias, Von Restorff effect, restraint bias, authority bias, overconfidence effect, Dunning-Kruger effect, availability heuristic, normalcy bias, status quo bias, and confirmation bias. The document encourages recognizing one's own biases to become a more critical thinker, as noted by a quote misattributed to Albert Einstein but actually from Peter Gasston.