Because whosoever is proud happens to be miserable. So he made a plan with a view to setting Bhim free from the pride of his strength. Hanumanji turned himself into the form of an ordinary monkey and lay down as an obstacle of Bhim's way. Meanwhile Bhim arrived at the site. On seeing the monkey sleeping in his way, Bhim roared to scare him away. Bhim roared like a lion but there was no effect of this roar on the monkey.
So Bhim said, "O, you monkey ! Why are you sleeping in the way? Get aside." Hanuman said, "What can I do ? I am not feeling well." "Do you know who I am ?'' asked Bhim ? "I am Bhim ! Keep your tail away otherwise I shall crush it under my feet," said Bhim proudly. Hanuman meekly said, "O! Are you Bhimsen yourself? Then will you please lift my tail and put it aside the way ? What can I do ? I am too weak to put it aside." "Do you mean to say I should touch your dirty tail ?" said Bhim, and continued to say smilingly, "As soon as I will touch your tail, it will be broken into four pieces and you will be thrown away very far." Hanuman replied, "If it is so , I will not accuse you." "You are free to accuse me, I don't mind," said Bhim. Saying this, Bhim in order to lift and throw Hanumanji, pulled his tail. But! The tail appeared to have stuck with the ground. Bhim could not lift it up even an inch. He caught it with both the hands. Still it did not move. Bhim tried again and again. He made such vain efforts with all his might that his eyes appeared to have been displaced from their sockets to the forehead. His face turned red but the tail could not be moved or shifted.
Bhim was very much ashamed. Now he began to think, "There can never be such strength in a monkey, therefore this person appears to be somebody great. Could he be Ram Bhakta Hanumanji?" Bhim very politely said, "Believe it or not, but you are Hanumanji." Hanumanji sprang at once and stood up and turned himself into his original form. Bhim bowed to him. Hanuman said, " You are my younger brother. You have a strong notion and pride in your strength. To remove this false pride I had to show you this wonderful miracle. Tell me now, would you henceforth be proud of your strength ? " Bhim's pride now had melted away. He said, "My pride is removed because of your mercy." Thereafter Hanumanji disappeared. Bhim found out the lake with a lotus flower. He collected many flowers and returned.