Sri Guru Granth Sahib Ji Arth Ang 5 post 19
ਜੇ ਕੋ ਖਾਇਕੁ ਆਖਣਿ ਪਾਇ ॥
Jae Ko Khaaeik Aakhan Paae ||
जे को खाइकु आखणि पाइ ॥
If some fool should presume to say that he does,
ਓਹੁ ਜਾਣੈ ਜੇਤੀਆ ਮੁਹਿ ਖਾਇ ॥
Ouhu Jaanai Jaetheeaa Muhi Khaae ||
ओहु जाणै जेतीआ मुहि खाइ ॥
He shall learn, and feel the effects of his folly.
236-237 ਜਪੁ (ਮ: ੧) ਗੁਰੂ ਗ੍ਰੰਥ ਸਾਹਿਬ : ਅੰਗ ੫ ਪੰ. ੧੪
Jap Guru Nanak Dev