He could not record the Dao sermons back then, nor could he recall them now.
Otherwise, breaking through to the Primordial Origin Golden Immortal realm would have been much easier.
After all, Wangshu had broken through to the Primordial Origin Golden Immortal realm after listening to the Four Ancestors preach the Dao.
Emperor Jun's accumulation in the Grand Luo Golden Immortal realm was no less than Wangshu's had been back then; in fact, it was even greater.
What Emperor Jun focused on were the phenomena manifested when the Four Ancestors had preached the Dao.
The yin-yang fish Taiji Diagram manifested by Ancestor Yinyang.
The evolution of Heaven and Earth and all things under Ancestor Qiankun's manifestation.
The repeated reversal of Heaven and Earth and the inversion of all things manifested by Ancestor Diandao.
The ceaseless evolution of the three thousand Laws manifested by Dao Ancestor Hongjun.
These scenes surfaced in Emperor Jun's mind, and he could not help but think.
Is this their Dao?
As Emperor Jun recalled these phenomena, his mind gradually sank into them.
Then, those scenes continued to replay in his mind, over and over again.
As his understanding deepened, the duration of the Four Ancestors' phenomena began to change.
The time Dao Ancestor Hongjun's phenomenon appeared gradually increased, while the phenomena of the other three Ancestors gradually shortened.
In the end, only Dao Ancestor Hongjun's three thousand Laws remained in Emperor Jun's mind, endlessly evolving.
Back when the Four Ancestors preached the Dao, he had gained greatly.
But Dao Ancestor Hongjun had benefited him the most, because he felt that only Hongjun had taken that sermon seriously.
Moreover, when Emperor Jun had broken through to the Grand Luo Golden Immortal realm, he had drawn upon Dao Ancestor Hongjun's path.
Now, as he recalled those manifested phenomena,