Shiva Purana
दर्शनात्स्पर्शनाद्यस्य चेतो निर्मलतामियात् ॥ उद्धाटितं सदैवास्ति द्वारं स्वर्गस्य यत्र हि ॥ ७६ ॥
By seeing, touching and so on the mind becomes pure. The gate of heaven is always open wherever you are.
english translation
darzanAtsparzanAdyasya ceto nirmalatAmiyAt ॥ uddhATitaM sadaivAsti dvAraM svargasya yatra hi ॥ 76 ॥
hk transliteration by Sanscript