Shiva Purana
सर्वस्य मूलं मानुष्यं चतुर्वर्गस्य कीर्तितम् ॥ संप्राप्य धर्मतो व्यास तद्यत्तादनुपालयेत्॥ ३३॥
Human birth is glorified as the root-cause for the four aims of life. O Vyāsa, after getting it, one shall assiduously and virtuously maintain it.
english translation
sarvasya mUlaM mAnuSyaM caturvargasya kIrtitam ॥ saMprApya dharmato vyAsa tadyattAdanupAlayet॥ 33॥
hk transliteration by Sanscript