How Did the Little Fox’s Tail Get Wet? — Wei Ji (Before Completion) First Yin Line: Don’t Rush to Cross the River If Unprepared

Have you ever met that kind of student? They think they’ve mastered everything before the class is even over, rush to take an exam after flipping through just a few pages of a book, and want to tackle hard problems before laying a solid foundation.

And what happens? They flunk the test, mess things up completely, and realize they actually know nothing at all.

It’s not that they’re stupid — it’s that they’re in too much of a hurry.

This is exactly the state described by the First Line (Six at the Beginning) of the Before Completion Hexagram.

The Line Text says:

「濡其尾，吝。」 (Ru qi wei, lin / He wets his tail, Humiliation)

"濡其尾" — one’s tail gets wet. "吝" — regret, a pity.

The Hexagram Judgment of Before Completion uses the imagery of "a small fox nearly crossing the river, yet wetting its tail" — a little fox fording a river gets its tail wet. As the bottommost line, Six at the Beginning marks the start of this story: the little fox has barely stepped into the water when its tail gets soaked.

Wen Laoshi says the character "吝" is very special in the I Ching (Book of Changes). It’s not "凶" (Misfortune), meaning it doesn’t spell total ruin. It means "a pity" — things shouldn’t have turned out this way, but because you were too hasty, too greedy, or too full of yourself, you end up in a moderately awkward spot.

1. The Position of Six at the Beginning

Six at the Beginning is the lowest line of the Before Completion Hexagram: a Yin Line occupying a Yang position — it is not in proper position. What does a Yin Line in a Yang position mean? You lack strength but hold an aggressive position — your ability doesn’t match your ambition.

Six at the Beginning faces Kan (The Abysmal) in the upper trigram — Kan represents danger and water. A river lies right before it. It wants to cross, but it’s too small and too weak. Its "tail" — that is, its most vulnerable part — is the first to be exposed to the water.

The Xiang Commentary (Images) states: "He wets his tail, for he does not know his own limits." — The tail gets wet because one has no idea how much they’re actually capable of.

Wen Laoshi says the phrase "does not know his own limits" hits way too close to home. It’s not that you’re not good enough — it’s that you don’t realize you’re not good enough. You think you’re ready, but you’re not. You think you can pull it off, but you’re nowhere close.

2. "Wetting the Tail" in Study

You’re learning something new — maybe a new skill, a new language, or preparing for an important exam.

After a few days of study, you think you’ve got it. After reading a couple of articles, you think you’ve gotten the hang of the basics. After working through two practice problems, you think you’ve mastered it. So you rush to show off, take the exam, or challenge yourself with more advanced content.

But once you’re in the exam room or faced with real-world practice — you realize you can’t do any of it.

This is "wetting the tail". It’s not that you can’t learn — it’s that you jumped into the water before you’d actually learned how to swim.

Wen Laoshi says the most common trap in learning isn’t "being unable to learn" — it’s "thinking you’ve already learned it". You look at the answer key and think you get it, you listen to a lecture once and think you understand, you memorize a few concepts and think you’ve fully grasped it. But in reality — you haven’t truly digested the knowledge, haven’t put in real practice, haven’t actually built up the ability.

"濡其尾，吝" — the pity of it all is: you could have taken your time.

3. The Deep Meaning of "吝": Not a Punishment, But a Reminder

"吝" is not "凶" — that’s the key point.

"凶" means you’re done for, that something terrible has happened. "吝" means you’ve run into a small setback, feel a little regretful, are a bit embarrassed. But it’s a signal — it tells you: your method is wrong, your pace is off, your self-assessment is inaccurate.

Wen Laoshi says if the "wetting the tail" of Six at the Beginning happens before the real exam — say, you bomb a practice test — that’s actually a good thing. Because you still have time to adjust. Now that you know your tail will get wet, you’ll know to hold it up the next time you cross the river.

But if you don’t change your ways after "吝" — if you tell yourself "it was just bad luck", "next time I’ll definitely nail it", "close enough is good enough" — then you’ll move on to Nine in the Second Place, Six in the Third Place, all the way up to Six at the Top. By then it won’t be "吝" anymore — it’ll be "he wets his head, Danger" — your whole head is submerged.

4. How to Avoid "Wetting the Tail"

Three methods:

First, admit that you don’t know. This is the hardest step — but also the most critical. Only when you admit you’re still a beginner will you approach learning with a beginner’s mindset. If you always think you "more or less get it", you’ll forever stay at that "more or less" level.

Second, fully master the basics before moving forward. When learning something new, don’t rush to jump to the next chapter. First practice the current chapter until you can do it with your eyes closed. A shaky foundation will make everything crumble.

Third, test yourself with real practice, not with feelings. Thinking you’ve got it doesn’t count — you have to take a real test, complete a real task, solve a real problem. Real-world practice is the most honest teacher.

Wen Laoshi says Six at the Beginning of Before Completion isn’t telling you not to cross the river — it’s telling you to assess yourself before you step into the water. Is your tail held up? Do your legs have enough strength? Do you know how deep the river is? If you don’t know the answers to any of these — don’t rush to jump in.

Put simply, it’s not a pity that the little fox’s tail gets wet — the real pity is not knowing why it got wet in the first place.