Shiva Purana
दुर्लभं मानुषं जन्म ब्राह्मणत्वं विशेषतः ॥ तत्रापि तापसत्वं च दुर्लभं मुनिसत्तम ॥ १३ ॥
O excellent sage, birth as a man is very difficult to obtain; especially that as a brahmin. Even there the state of an ascetic is very rarely achieved.
english translation
durlabhaM mAnuSaM janma brAhmaNatvaM vizeSataH ॥ tatrApi tApasatvaM ca durlabhaM munisattama ॥ 13 ॥
hk transliteration by Sanscript