སྦྱིན་པ་པོ་ཡང་མི་དམིགས། ལེན་པ་པོ་ཡང་མི་དམིགས།
This absence of giving and the absence of rejoicing in the ripening impact of giving, Śāradvatī­putra, is called the purity of the three spheres [of subject, object, and their interaction].
Emptiness, Bodhisattvas, Perfection of Wisdom