Shiva Purana
अग्निप्रवेशं ये कुर्य्युर्दृढसत्त्वा जितेन्द्रियाः ॥ स्त्रियो वा सत्त्वसम्पन्नास्ते सर्व्वेप्यग्नितेजसः ॥ ६०॥
People of steady Sāttvika quality and control over their sense-organs, who enter fire, or women endowed with Sattva quality become as lustrous as fire.
english translation
agnipravezaM ye kuryyurdRDhasattvA jitendriyAH ॥ striyo vA sattvasampannAste sarvvepyagnitejasaH ॥ 60॥
hk transliteration by Sanscript