Distinguish between subjective and objective reasoning.
Understand that what to be wanted may not what will actually happen, if it is not supported by strong data.
Understand good chances for right/good decisions if they are based on real-world data and strong backup facts.
Understand that decisions based on real-world data have better chance to bring success and convince others.
Understand any decisions that are not based on facts/data are risky/gambling and have a good chance of failure.
To make any decision an informed one, one needs to analyze data and use statistics methods such as regression to guide the decision.
Any future prediction that is not based on the current