Shiva Purana
स्वर्गापवर्गलाभाय यदि नास्ति समुद्यमः ॥ दुर्लभं प्राप्य मानुष्यं वृथा तज्जन्म कीर्तितम् ॥ ३२ ॥
If there is no endeavour for the acquisition of heaven and salvation even after attaining the rare human form that birth is to be dubbed as useless.
english translation
svargApavargalAbhAya yadi nAsti samudyamaH ॥ durlabhaM prApya mAnuSyaM vRthA tajjanma kIrtitam ॥ 32 ॥
hk transliteration by Sanscript