Yu Yufu’s stele, and he laments that the ancient book of the husband does not exist, and that later generations will misrepresent it and cannot be named, how can it be the best way! Therefore, scholars should not take it carefully without thinking deeply.

The author's trip to Baochan Mountain was originally an ordinary tourist activity, but he realized the philosophy of life from it - many tourists in the former cave and the back cave realized that "if the barbaric area is close, the tourists will be crowded; the danger will be greater" The farther you go, the less you can reach." From "the deeper you go, the harder it is to get in, and the more amazing you see," we can understand that "the wonder, weirdness, and extraordinaryness of the world often lie in the danger and distance." From this, Taking it a step further, we come to the conclusion that "it cannot be achieved only by those who are determined". Then he sublimated the lessons learned from this trip to the mountains but failed to enjoy the "extreme joy of travel" into theory, analyzed several conditions for "reaching" in detail, and finally came to the point of "fulfilling my ambition" - this is what " Seek the result of thinking deeply and omnipresently. It can be seen that the viewpoint of "fulfilling my ambitions" is related to the viewpoint of "thinking deeply and carefully before making decisions": the viewpoint of "fulfilling my ambitions" is based on "thinking deeply and carefully before making decisions"; with this viewpoint, it also It can in turn prompt people to "think deeply and make decisions carefully", and the two are complementary to each other. The beautiful, magical and spectacular scenery in the world are often found in Jian County and distant places. You must go all out to reach it, and only in this way can you have no regrets.

In fact, the author uses traveling in the mountains as a metaphor to illustrate that the establishment of profound knowledge and great undertakings must be achieved with an indomitable spirit