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

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