Is there a word "Three Horizons" in Heaven's Reward for Diligence Calligraphy?

There is a saying in the calligraphy of "Heaven rewards diligence" that "Three Horizons".

1. Heaven rewards diligence, which comes from the hexagram in Zhouyi: Heaven is healthy, and a gentleman strives for self-improvement. As the Earth’s capacity is to hold, so must a gentleman constantly cultivate virtue in himself to shoulder the world.

2. In order to encourage future generations, Han Yu also wrote "Heaven rewards diligence". The deep meaning of rewarding diligence in heaven is that as long as we are diligent, heaven will give us a green light.

3. God, the meaning of results here is that as long as we are diligent and behave ourselves, no matter what we do, we will have good results.