"We are shaped by our thoughts; we become what we think".--Buddha
Thinking is the most fundamental beginning for any action. Thinking differentiates us from other creatures. Psychologists estimate that on an average our brain produces approximately 50000 -60000 thoughts per day. Just think and answer yourself, if you are thinking say 50000 thoughts per day, how many thoughts are positive, helps in your growth and make you happy?
You refer any successful people from history, philosophy, spiritual, business, science, sports, media etc,you may realize that the fundamental reason is their quality of thinking and thinking process.
Relook your own life. You are TODAY because of the thinking and decision you took in the PAST. Similarly, your Future quality of life depends on the quality of thinking of Today .As quoted we become what we think .
Hence relook your thinking process , enhance the quality of thinking and you attract good things in your Life!