Men are the sky, the sky is strong, and the self-improvement is endless. Men are the sky, the sky is strong, and the self-improvement is endless. Men are the sky, the sky is strong, and the self-improvement is endless. Men are the sky, the sky is strong, and the self-improvement is endless. Men are the sky, the sky is strong, and the self-improvement is endless. Men are the sky, the sky is strong, and the self-improvement is endless. Men are the sky, the sky is strong, and the self-improvement is endless. Men are the sky, the sky is strong, and the self-improvement is endless. Men are the sky, the sky is strong, and the self-improvement is endless. Men are the sky, the sky is strong, and the self-improvement is endless. Men are the sky, the sky is strong, and the self-improvement is endless. Men are the sky, the sky is strong, and the self-improvement is endless. Men are the sky, the sky is strong, and the self-improvement is endless.