“na tasya pratima asti”
There is no image of Him.”
[Yajurveda 32:3]

“shudhama poapvidham”
“He is bodyless and pure.”
[Yajurveda 40:8]

“Andhatama pravishanti ye asambhuti mupaste”
“They enter darkness, those who worship the natural elements” (Air, Water, Fire, etc.). “They sink deeper in darkness, those who worship sambhuti.”
[Yajurveda 40:9]

Sambhuti means created things, for example table, chair, idol, etc.
Asambhuti means natural things like Air, Water and fire.