Shiva Purana
स्वैराचारायते मेधा वज्रसूचीयते मनः ॥ महावातायते शक्तिर्बलं मत्तगजायते ॥ ८१ ॥
The intelligence will roam about as it pleases. His mind will be pure like a diamond. His strength will be like a violent gust of wind or like an elephant in rut.
english translation
svairAcArAyate medhA vajrasUcIyate manaH ॥ mahAvAtAyate zaktirbalaM mattagajAyate ॥ 81 ॥
hk transliteration by Sanscript