The Buddha is omniscient, not in the sense that he knows everything, but that he could know anything should he so desire. His ñāña is one of the four illimitables. He converts people in one of three ways:
- by exhibition of miraculous powers (iddhipātihāriya),
- by reading their thoughts (ādesanāpātihāriya),
- or teaching them what is beneficial to them according to their character and temperament (anusāsanīpātihāriya).