What does the fortune teller mean when he says the fish is big and the pond is small?

This means that this person's circle is too small to reflect this person's value. The implication is to let this person jump ship or work in a place with more room for promotion.

The fish here refers to this person, and the pond is a metaphor for the circle where this person works. In a small pond, there is a huge fish, and this fish will feel tied behind his hands. Similarly, this fish has no room to continue to grow, which is a constraint on this fish.

Expand information: be a big fish in the pond;

Big fish in a big pond, big fish in a small pond, small fish in a small pond, small fish in a small pond.

The weak have the opportunity to fight back, but they must not take the ordinary road. They must know what pits are on the road and try to avoid them. Nietzsche made it clear centuries ago that if the weak want to defeat the strong, they must break through the rules of the strong and not play by common sense.

Later, the French poet Re Peng wrote "You can't walk out of a tree in the way of a tree", and personally liked it very much. A word is worth a thousand words. In contrast, Gladwell's books are very general in connotation and expression, and can only be read as fast food.