Li Ling realized that indeed, the inability to control one's emotions would be the premier downfall of every powerhouse. After realizing that he was being pursued by a Nascent Soul powerhouse, he had been running around like a headless chicken due to fear and unwillingness to die, but that had rather solidified his eventual outcome by precisely doing so.
In truth, this was far from the first hopeless situation of seemingly absolute fatalistic outcome he had been through over the years. The gap between his current Foundation Establishment and Nascent Soul was absolutely humongous indeed, akin to a gap between second form Frieza versus his final form, there was no contention.
However, previously being Qi Refinement level 1, he had also felt this kind of feeling against those in higher levels of Qi Refinement. Even a Qi Refinement level 3 person was like a mountain above him, much less those at level 4 and above, and many of his encounters had faced oppression.