Opportunity Gone

When dreams are dashed, one becomes disappointed and worse still depressed. Everyone has a dream or even dreams. Dreams will always come with a plan to succeed and have better things in life. Once an opportunity comes, one ought to grab it. Once the opportunity is gone, it’s gone forever. How I wish that I could turn things back to the way they were before? Why wouldn’t someone invent a time travel machine which enables people to travel through quantum?