A Holy lie (n.) is common to Confucius, Manu, Mohammed, the Church — and Plato: wherever you hear 'the truth is there', the priest is lying.
A Holy lie (n.) is the lie permitted for pious ends — and philosophers who would direct mankind at once claim the right to it, Plato before all.
A Holy lie (n.) originates in the will to power: the priest, lacking physical or military power, makes the lie a supplement to power — a new concept of "truth."
The Holy lie (n.) that became famous is Arria's dying 'Paete, it does not hurt', which darkens all the truths ever spoken by the dying; otherwise the odour of sanctity clings only to errors.
The Holy lie (n.) offends the free spirit's piety of the search for knowledge even more than the impious kind, and hence his profound lack of understanding for the church, which is his unfreedom.