“Change your thoughts, and you change your world.” – Norman Vincent Peale 

A positive mental attitude is the foundation of a successful life. Acting with gratitude and happiness is dependent upon thinking thoughts of gratitude and joy.
Your habitual and instinctive Thoughts always produce particular kinds of Feelings. Which in turn produces certain types of Actions, behaviours and performances; these, in turn, will always produce definite Results in your life.
When you get up in the morning, and you are not feeling and behaving right, examine your thinking and choose to think positive thoughts instead.
Your acts will soon match your thoughts. Consider this carefully and understand how important it is for you to develop a positive mindset every day.
Work hard at habitually creating positive and empowering thoughts, and I guarantee that you will see changes in your life. 

“All that we are is the result of what we have thought.” – Buddha