You have to grow from the inside out. None can teach you, none can make you spiritual. There is no other teacher but your own soul.
Swami VivekanandaHinduism threw away Buddhism after taking its sap. The attempt of all the Southern Acharyas was to effect a reconciliation between the two. Shankaracharya's teaching shows the influence of Buddhism. His disciples perverted his teaching and carried it to such an extreme point that some of the later reformers were right in calling the Acharya's followers "crypto-buddhists".
Swami Vivekananda