A geometrical pattern may be created when a particular mantra, a bheja or otherwise, is recited as required. That pattern is the visualisation of the god – the shape that the vibration takes, as it were, in the field of outer perception; and we can see the god as we can see our own self in a dream world. But this vision of God, the divinity or the Ishta Devata or the god that we worship through the mantra, is inseparable basically from the stuff of the meditating consciousness itself, and the blessing of this god upon the reciter of the mantra is virtually the higher self blessing the lower self.
The mantra sastra, therefore, is a great treasure house of wisdom that is bequeathed to us by the great masters; and all students, spiritual seekers, should take to japa. Abstract meditation, nirguna brahma sadhana, may be a great object of aspiration, but we are artharthi, caught by the worldly conditions and circumstances, distracted in many ways socially and personally.
We can be safely guarded and assured that some substantial thing is being done by us by taking to japa sadhana. A systematic routine of it is supposed to bring immediate results in the same way as a diet that we take in a systematic manner gives energy to the body, and if we go on eating in a slipshod manner, at any time we like, in any way, that will not be suitable for the maintenance of health. Discipline means the adherence to a particular method of practice of the japa, such as place, time and circumstance, if it is possible.
Every day the japa will be done in the same place and at the same time. Space-time collocations being very important in an astronomical way, they act upon us. The cyclic way in which nature moves will see that the adherence to space and time will also add to the success of the spiritual practice; and the method which is the circumstance mentioned is also important. We can successfully adhere to the place and the time, no doubt, but it is necessary also to adhere to the method and the mode of operating the mind at that time, with the requisitesankalpa, which in the case of a spiritual seeker should only be blessing, and nothing more or nothing else.