Shiva Purana

siva.sh/siva-purana/rudra-samhita/16/39

अंतस्तमो बहिस्सत्त्वो विष्णूरुद्रस्तथा मतः ॥ अंतस्सत्त्वस्तमोबाह्यो रजोहं सर्वेथा मुने ॥ ॥ ३९ ॥

sanskrit

Viṣṇu is of Tāmasika nature within but externally Sāttvika; Rudra is of Sāttvika nature within but of Tāmasic nature outside, I am of Rājasic nature throughout.

english translation

aMtastamo bahissattvo viSNUrudrastathA mataH ॥ aMtassattvastamobAhyo rajohaM sarvethA mune ॥ ॥ 39 ॥

hk transliteration by Sanscript

siva.sh/siva-purana/rudra-samhita/16/39

अंतस्तमो बहिस्सत्त्वो विष्णूरुद्रस्तथा मतः ॥ अंतस्सत्त्वस्तमोबाह्यो रजोहं सर्वेथा मुने ॥ ॥ ३९ ॥

sanskrit

Viṣṇu is of Tāmasika nature within but externally Sāttvika; Rudra is of Sāttvika nature within but of Tāmasic nature outside, I am of Rājasic nature throughout.

english translation

aMtastamo bahissattvo viSNUrudrastathA mataH ॥ aMtassattvastamobAhyo rajohaM sarvethA mune ॥ ॥ 39 ॥

hk transliteration by Sanscript