Mental purity will come through constant chanting of the divine name. This is the simplest way. You are trying to cross the ocean of transmigration, the cycle of birth and death. The mantra is the oar of the boat; it is the instrument you use to cross the samsara of your restless mind, with its unending thought waves. The mantra can also be compared to a ladder that you climb to reach the heights of God realization.
Mata AmritanandamayiHappiness comes from the dissolution of the mind, not from external objects. Through meditation we can achieve everything including bliss, health, strength, intelligence and vitality. But it should be practiced properly in solitude and with care.
Mata AmritanandamayiAshrams and gurukulas (spiritual schools) are the pillars of spiritual culture. If we perform sadhana according to the guru's advice, we need not go anywhere else. We will get whatever we need from the guru.
Mata Amritanandamayi