Meaning: Don’t forget your original commitments and goals, as well as your pure heart because of the passage of time. Always stay vigilant and keep vigilant about what you get. Cherish what you have and take every step of the way.

The expansion is as follows:

No matter what you do, don’t forget the original intention at the beginning. Only by staying true to the original intention can you always succeed.

Idioms with similar meanings to "Don't forget the original intention":

1. Don't forget in Ju

Explanation: "Don't forget the origin".

Source: "Lu's Spring and Autumn Period·Zhijian": "Don't forget to run away to Juye."

2. Don't be lazy and don't forget.

Don't explain. : don’t; laze: slack off; Don't forget: forget. A warning not to slack off and not to forget.

From Chapter 85 of "The Romance of the Three Kingdoms" by Luo Guanzhong of the Ming Dynasty: "You and the prime minister are engaged in things, just like your father, don't wait and don't forget!"