If you follow the true path, you will naturally comprehend the truth spoken by the ancients.
If you walk the side path, you will surely cherish crooked ways as treasures.
But the world either wholly misunderstands such simple truths or chooses to ignore them. This is why they search in darkness—occasionally gaining something, believing they have attained the path. Yet in an instant, they are still mired in the mud, wasting away their lives.
From Shen Yue's perspective, Wanyan Xiyin has already grasped the Tao but still needs to prove it. Wanyan Loushi and Nie Shan have a vague understanding. With their focused hearts, they are likely to succeed.
At this moment, adding numerous complex concepts would be like ordinary people reading the "Diamond Sutra", resulting in bewilderment instead.
The "Diamond Sutra" states at the very beginning—Tathagata is good at protecting and remembering all bodhisattvas!