If you never step out and be brave with your dreams you'll never know if you can accomplish them. Go For IT! - often the hardest part is just to begin, whether it's out of fear or just taking the time to actually do it
This quote shows how Prince Hamlet feels towards his uncle after the ghost Old Hamlet tells him that it was his brother that poisoned him and caused his death. Prince Hamlet promised his father that he will avenge his death.