Anyone whose work is not meant to elevate him to religious life, anyone whose religious ritualistic performances do not raise him to renunciation and anyone situated in renunciation that does not lead him to devotional service to the Supreme Personality of Godhead must be considered dead, although he is breathing. – Srimad Bhagavatam, 03.23.56.
Without being self-controlled, without being disciplined and without being fully obedient, no one can become successful in following the instructions of the spiritual master and without doing so, no one is able to go back to Godhead.
If one makes friendship with Krishna, one will never be cheated and he will get all help needed.
Great sages who have completely taken shelter of the lotus feet of the Lord can at once sanctify those who come in touch with them, whereas the waters of the Ganges can sanctify only after prolonged use.