The Tipiṭaka in Three Languages

Suññatavāra

Abhidhammapiṭaka · Dhammasaṅgaṇī · Vol. 34 · Section 250

[250] Which, on that occasion, is rectitude of mind (cittujukatā)? That which on that occasion is the straightness, the uprightness, the absence of crookedness, the absence of curvature, the absence of twisting, of the aggregate of consciousness (viññāṇakkhandha) — this, on that occasion, is rectitude of mind.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 2 other places