This is how we train our children in Krishna Consciousness, just be keeping them always attending our regular program and associating with Krishna devotees, teaching them in spiritual realization by giving them the idea that sacrifice and tapasya for achieving the highest goal of life is a very nice way of life. Not that we shall give them many games for playing, these so-called scientific methods of learning are artificial, unnecessary, and on the whole I do not have much trust in this Montessori system or any other such system of teaching. Your idea for having altars to train the children in deity worship is very nice.
Letter to Satyabhama, 28 February, 1972