Every time I read a good novel (currently Anna Karenina), it astonishes me to see to what extent getting wrapped up in fictional characters seems to lend a purpose to life. There are some pleasures that can come from many sources, but in my life the pleasure of feeling part of a group — which is what makes life seem to have a meaning — comes from exactly two: close friends, and good books.

Sadhguru on the Delhi incident : [youtube https://www.youtube.com/watch?v=tuUOwg6Ay4A?rel=0]

“Waiting time” results are often paradoxical and counter intuitive. To illustrate using a simple example, here is the advertised schedule of train departures from of a Mumbai Local from Churchgate to Borivalli over a a 24 hour timeframe. The average inter-departure time between the trains appears to be ~ 6min from the graph on the right. However since it is a discrete distribution, one can easily compute the exact value by taking a weighted average.

Ernie Chan on backtesting : [youtube https://www.youtube.com/watch?v=2WZiGiy4l0Y?rel=0]