Our memory is changeable and deceptive. It can preserve the finest details with precision - or fabricate convenient events that never actually happened. Any somewhat intelligent being has memory or its analogues. Evolution created this tool to protect us, to prevent dangerous actions based on past experience. But with humans, the situation is different. Our brain and psyche have long stopped serving only survival. A system as complex as the human mind is capable of distorting reality if it helps

Active Recall & Spaced Repetition: Supercharge Your Learning