Shiva Purana
यावद्विज्ञायते तावत्सेवनीयो मुमुक्षुभिः ॥ ज्ञाते तस्मिन्स्थिरा भक्तिर्यावत्तत्त्वं समाश्रयेत् ॥ ४५ ॥
Those who desire liberation should serve him as long as he understands them. Once one has understood the Absolute Truth, one should have steady devotion to Him.
english translation
yAvadvijJAyate tAvatsevanIyo mumukSubhiH ॥ jJAte tasminsthirA bhaktiryAvattattvaM samAzrayet ॥ 45 ॥
hk transliteration by Sanscript