Realization brings Change.
As per Dictionary definition Realization means as an act of becoming fully aware of something as a fact.
When you see anything from your naked eyes then you believe on it.
Recently, I look back at my conversation done with people . I found a lot of scope for improvement which was earlier told by others but at that time i was reluctant to change.
When you Imagine positive result of any task then you will never able to stop your self from taking action and in the process you change yourself.
If you want to bring change in area of your life ,start the process of realization.
Realization can be done by reading,observing,listening,watching.
If you find hard to to do above then start facing Truth.When you face truth, you cannot deny it. Even if you ignore it then it will affect your mental peace till the time you take action to bring change.
As Paramhansa Yogananda said self realization is oness with Truth direct perception or experience of truth by all knowing intuitive faculty of the Soul.