dry light

noun — 2 senses

noun

Usually Pure unobstructed light.

Broadly, Figuratively, Usually A clear, impartial view.

The scientific man must keep his feelings under stern control, lest they obtrude into his researches, and colour the dry light in which alone science desires to see its objects.1881, John Campbell Shairp, Aspects of Poetry:
The human understanding is not composed of dry light, but is subject to influence from the will and the emotions1620, Francis Bacon, Novum Organum:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.