O believers be pious with Allah and seek the means of approach to him. Quraan:5: 35
Ask (the question to) the followers of zikr (people of spiritual knowledge) if you do not know it. Quraan:21: 7
Allah Almighty Commands in Qur'aan: "I did not create human and jin, but for my worship".
Allah Almighty says, "Among you there should be an organisation, that invites people towards khair (Allah's closeness), carry out persuasion of Allah's recognition and stop them from badness. Those will be the successful people".
And whoso holds fast Allah (Allah's personal name) he is guided to the straight path. Quraan: 3:101
Allah Almighty commands in Quraan:I am within your breathing can't you perceive it.