If you realized how powerful your thoughts are, you would never think a negative thought. Learn to get in touch with the silence within yourself and know that everything in life has a purpose.
Believe it can be done. When you believe something can be done, really believe, your mind will find the ways to do it. Believing a solution paves the way to solution
Before you start some work, always ask yourself three questions -
Why am I doing it,
What the results might be and
Will I be successful.
Only when you think deeply and find satisfactory answers to these questions, go ahead