When you say our mind shouldn't be in our head but in our stomach when we contemplate rising and falling what do you mean? can you elaborate it more? -- When meditating how to breathe? Can only breathe through your nose or inhaled through the nose exhale through your mouth? Thanks and Sorry for bad english...
This file can also be found, along with this site's whole collection
of audio Dhamma, at http://yuttadhammo.sirimangalo.org/audio
Or you can also subscribe to the audio podcast rss feed here.