俱舍論頌疏論本 9.50

9.50

在婬愛前受者，謂五六歲已去，十四，十五已來，已了三受因差別之相，未起婬貪，此位五蘊總名為受，受用勝故，故別標受名。

"Prior to sexual desire is feeling": that is, from five or six years old onwards, up to fourteen or fifteen, one has already understood the distinct characteristics of the causes of the three feelings, but has not yet generated sexual craving. The five skandhas of this stage are collectively named feeling; because the function of experiencing (feeling) is dominant, it is specifically designated with the name feeling.