Bright future: The future is just like a bright future, very beautiful. Live up to your youth: it means live up to good times and good years. The future can be expected: the future is worth looking forward to. Together, I hope you have a bright future and live up to your youth. The future is worth looking forward to.
It is generally used to encourage and motivate the younger generation to work hard. I wish everyone a bright future, don't think about the past, and don't be afraid of the future.