Bhai Jagga Singh Ji performed most assiduous service for Guru Gobind Singh Ji Maharaj and was consequently much envied by his fellow sevadars. Some said that several men and women had done similar service and gone away ungrateful, and Bhai Jagga Singh Ji was not superior to any of his predecessors.
Others said that he being a new sevadar was no doubt diligent, but his zeal would soon evaporate.
All knowing Satguru Sri Guru Gobind Singh Ji Maharaj knew what was being said about his beloved Bhai Jagga Singh Ji so he sent for a vessel of water, a stone and some sweets. He put the stone and sweets into the water. After a short time he ordered them to be taken out. The stone came out as whole, however, the sweets had all dissolved.
Guru Ji read his beloved Sikhs a moral lesson from what they had seen. Maharaj said, that those who served him well and heartily, blended with him as the sweets had done with the water; while those who served him for show and appearance, had hearts like the stone which never dissolved.
Guru Ji then ordered that no one should in the future molest or speak evil of his faithful sevadar Bhai Jagga Singh.