Brahma Sutras
ॐ भूमा सम्प्रसादादध्युपदेशात् ॐ ॥ १-३-८॥
Bhuman is the supreme Self, since He is taught as superior to samprasada (ie., Prana or vital force).
english translation
OM bhUmA samprasAdAdadhyupadezAt OM ॥ 1-3-8॥
hk transliteration by Sanscript