Caitanya-caritāmṛta 5.159
veda-guhya kathā ei ayogya kahite tathāpi kahiye tāṅra kṛpā prakāśite
[veda-guhya kathaa ei ayogya kahite tathaapi kahiye taanra kripaa prakaashite]
Blended reading (Sanskrit + English inline)
veda-guhya kathā ei ayogya kahite tathāpi kahiye tāṅra kṛpā prakāśite
To disclose it is not proper, for it should be kept as confidential as the Vedas, yet I shall speak of it to make His mercy known to all.
My note
Source: vedabase.io