Here is great video presentation for you to learn 90/10 principle and start controlling your life. According to this Rule, 10% is what happens to us we have no control over it. Rest 90% of it is how we react to 10%. By controlling our reactions, we can learn to stop bad moments from spoiling our whole day. In this way, we can learn to be more happy and effective in life. Below, you can learn this principle in detail with examples.