The sentences about time changing but the original intention remains unchanged are as follows:

1. No matter how difficult it is, keep your original intention, do what you think is right, be a thoughtful person, and warm your heart. For people, difficulties are only temporary, persevere!

2. Don’t forget your original intention and move forward in pursuit of your dreams! May all Hongfa people always adhere to their beliefs and move towards the top of the world's national relays! In addition to working hard to move forward, remember to always remind yourself not to lose your way and lose your original intention.

3. When you lament about never forgetting your original intention, it’s not that she was so cute and good at the beginning, but that later she was too lazy to act and coax you!

4. When you can’t help but shed tears, open your eyes wide and don’t blink! You will see the whole process of the world changing from clear to blurry, and your heart will become clear and clear the moment your tears fall.

5. The original intention has never been betrayed, but what is the original intention? Three thousand nights, I sing alone in this world of mortals, no one is with me. It takes a minute to feel for someone, an hour to like someone, and a day to fall in love with someone; however, it takes a lifetime to forget someone.

6. How many times have I wandered into the cracks of dreams while searching for the breath of memory, and seen traces of the past: a river of tobacco, a field of autumn water, looking across the river at the beauty that disappeared in an instant. The yellowed diary is filled with the elegance of fog, and the years that are turning in the writing. In a certain year, a certain year, and a certain year, your figure is missing.

7. How many laughters are evoked by friendship, and how many tears are wiped away by friendship. After finally becoming his most important person, she finally discovered that their origin started much earlier.

8. All the more accomplished scientific workers are, without exception, experts at utilizing time, and they are also people who are determined to devote a lot of time to a lot of work.

9. The wind is unpredictable, the clouds are impermanent, life is like duckweed, gathering and dispersing are unpredictable. Meeting is fate, acquaintance is a matter of intention, knowing each other is more precious than sincerity.