The realization of great dreams has never been smooth and peaceful, and it is bound to be difficult to forge ahead in tackling challenges and defusing risks. Only by increasing awareness of sorrows and realizing that there are no fewer problems after development than when there is no development. The reform of the deep-water area is not easier than the creation of the early stage of the reform. Only when we encounter a series of complex contradictions and problems, we can calmly cope with it and ensure that the great dream is smoothly realized. If the above assertion is true, then the following _______ items must also be true. ['As long as you meet the challenges, you can ensure that your great dreams come true.', 'After development, there are many more problems than when there is no development.', 'Only in calm seas is it necessary to raise awareness.', 'If you do not increase your awareness of sorrow, you will not be able to cope calmly when you encounter a series of complex contradictions and problems.']