俱舍論記 4.263

4.263

「無對礙故至況第二等」者，答。得無對礙，互相容受。若如色礙一有情得，虛空不容，況第二念。

"Because they lack obstructive resistance... how much less a second [moment], etc.": this answers. Possessions lack obstructive resistance (pratigha), so they mutually accommodate one another. If they had obstruction like form, space could not accommodate the possessions of a single sentient being, how much less those of a second moment and so on.