patram puspam phalam toyam
yo me bhaktya prayacchati
tad aham bhakty-upahrtam
asnami prayatatmanah
"If one offers Me with love and devotion a leaf, a flower, fruit or water, I will accept it." (Bg.
9.26) Following this principle,
Advaita Prabhu pleased the Supreme Personality of Godhead with
tulasi leaves and water of the Ganges.