Sri Guru Granth Sahib Ji Arth Ang 17 post 14
ਗੁਰੁ ਪਉੜੀ ਬੇੜੀ ਗੁਰੂ ਗੁਰੁ ਤੁਲਹਾ ਹਰਿ ਨਾਉ ॥
Gur Pourree Baerree Guroo Gur Thulehaa Har Naao ||
गुरु पउड़ी बेड़ी गुरू गुरु तुलहा हरि नाउ ॥
The Guru is the Ladder, the Guru is the Boat, and the Guru is the Raft to take me to the Lord’s Name.
ਗੁਰੁ ਸਰੁ ਸਾਗਰੁ ਬੋਹਿਥੋ ਗੁਰੁ ਤੀਰਥੁ ਦਰੀਆਉ ॥
Gur Sar Saagar Bohithho Gur Theerathh Dhareeaao ||
गुरु सरु सागरु बोहिथो गुरु तीरथु दरीआउ ॥
The Guru is the Boat to carry me across the world-ocean; the Guru is the Sacred Shrine of Pilgrimage, the Guru is the Holy River.
726-727 ਸਿਰੀਰਾਗੁ (ਮ: ੧) ਗੁਰੂ ਗ੍ਰੰਥ ਸਾਹਿਬ : ਅੰਗ ੧੭ ਪੰ. ੧੪
Sri Raag Guru Nanak Dev