Guru Angad, the second Guru stressed mental as well as physical development through education, Sports and discipline as the important characteristics of a Sikh.
The teaching of Punjabi and the religious studies were made an essential part of the Sikh movement by Guru Arjan Dev. Guru Hargobind, however, formalized it During his times a school was opened as an annexed to every Gurudwara. The Guru in is own discourses stressed the need of learning and understanding.
Once the Guru met a holy man named Samrath Ramdas. He was surprised to see the involvement of Guru Hargobind in activities like education, army training and social reforms. He asked the Guru, "I hear that you are the successor of Guru Nanak. Guru Nanak had renounced the world, while you wear the swords, keep horses, run schools and community classes, and people call you, 'the true king'. What kind of Sadhu are you? Guru Hargobind replied: 22.
Few days later, the Guru met another person known as Shah Daulat He asked the Guru, 'how can a Hindu be a fakir? How can you be a religious man, when you do the worldly acts, have a wife and children and possess worldly wealth ? the Guru replied,