“Most of the moments of our life - and I calculated, you know, the psychological present is said to be about three seconds long; that means that, you know, in a life there are about 600 million of them; in a month, there are about 600,000 - most of them don't leave a trace.” KnowsMeanLongSaidMomentsThreeMillionsOur LivesMonthsPsychologicalSeconds Author:Daniel Kahneman