法界次第初門 2.105

2.105

二、無覺有觀三昧。若以空、無相、無作相應心入諸定觀中間禪，則一切無覺有觀禪皆悉正直，故名無覺有觀三昧。

Second, the samādhi without vitarka and with vicāra. If, with a mind corresponding to emptiness, signlessness, and wishlessness, one enters all attainments and contemplates the intermediate dhyāna, then all dhyānas without vitarka and with vicāra become completely upright; hence it is called the samādhi without vitarka and with vicāra.