CDOQ

Emotion is a much more powerful force than Rationality in decision making. Hence, the study of economics solely based on the behavior of "rational man" is flawed. Also, when making decisions one should think about how the decision will make people "feel" even if the decision is a perfectly rational one.

The only thing that has probability of 1 (absolutely certain) in life is death. Everything else is uncertain. One should not worry about things which are uncertain. And, worrying about death won't change anything. So, one should enjoy life to the fullest without worrying.

If a system can be fooled for personal gain, it will be fooled sooner or later.

Live events which bring people together for a common purpose will always be popular irrespective of technological progress.