Once, when Guru Nanak was young, he stopped eating very much. He just stayed in his room and missed being with God. His parents got worried and called a doctor to see if he was sick. While he was being checked out, Nanak started telling the doctor all of the doctors problems. The doctor said "He's not sick, he just misses God."
As a child Nanak was only concerned with meditating on God. Even when he was sleeping, he was with God. Once he fell asleep under a tree. When the sun moved he was going to get burned by the hot rays. A cobra protected him from being woken up by spreading it's hood over him as shade. When Rai Bular saw this scene he considered this child Nanak to be very special.
When Guru Nanak was a boy he once took the cows out to graze. He fell asleep and the cows ate all the neighbors crops. When the man found out he told Rai Bular, the village chief, to punish Nanak's father. Everyone went to see the field the cows destroyed. When they got there not only were the plants OK, they were even greener than before. Because Nanak was meditating on God nothing went wrong.
Once there was a piece of clay that a potter had. The potter worked this clay all kinds of ways and the clay kept telling him "Stop it, that hurts!" The potter didn't stop and in the end that piece of clay turned in to a beautiful cup. When he was finished the cup realized why the potter put him through all that stuff. We are like that cup: God has made us beautiful as we are.
The great Emperor of India, King Akbar, went to go visit the Guru. Guru Amar Das Dev ji wouldn't see the visiting royalty until his guest had eaten in the Guru's langar. So this great ruler of the whole land sat along side all kinds of common people and ate langar. Emperor Akbar was impressed that the Guru served so many people, and was humbled that Guru Amar Das didn't consider anyone higher or lower.
A rich man wants to really experience this God thing that everyone is always talking about. So he offered gold coins to anyone who can tell him. Many people gave answers but only one person gave an answer that he felt was right.
Young Nanak refuses to take the Hindu traditional thread (janao) in a family ceremony. He said that the thread will wear away but his love for God will not. He told them that the thread represented some virtues so he would rather wear the virtues themselves.
Bidhi Chand used to be a thief before he met Guru Hargobind. The Emperor, had intercepted two beautiful horses named Dilbagh and Gulbagh that were going to be given to the Guru. Bidhi Chand used his skills one more time to steal the Guru's horses back from the emperor and unite them with the Guru.
When Nanak was a little boy he went to school, and he wasn't interested in learning the alphabet. He only wanted to chant Gods name. His teacher asked him to recite the alphabet and Guru Nanak recited it without ever being taught. The teacher was so impressed that he fell to his knees and bowed to the young Nanak.
Humayun went to Guru Angad to get blessing and restore his rule. He got angry that the Guru didn't give him respect so he went to kill the Guru. Then Guru Angad told him that he is quick to kill men of God, but couldn't defend his on kingdom. Humayun bowed to the Guru and asked forgiveness.