Pessimism vs optimism

Pessimism is defined as the anticipation of good or bad things to happen in the future, while optimism is generally considered the opposite. Optimism can be defined as the individual difference variable reflecting the extent of which we hold positive expectancies for the upcoming event.

One possible reason for the "optimism bias" is found in the way we learn new information. People are quicker to change their beliefs when the information is better than expected, compared to information that is worse than expected.

• If people were told that lockdown would be eased ...

If we have sunken cost in an ongoing system, like a career, it doesn’t mean we should stick with it forever, especially if it is no longer relevant or useful.

One can first choose a system with complete research, and if after a while the system is not looking good, switch from it to somet...