Ik phikka na gaalaaien
Sabhnan main sacha dhani
Hiyao na kahin bhahien
Nanak sabh amaulaven
Reference: Kalam Baba Farid, Dr Nazir Ahmad; Packages Limited; Page 63 ( view source )
English Translation
Do not utter even a single harsh word; your True Lord and Master abides in all. Do not break anyone's heart; these are all priceless jewels.
Translation: S. S. Khalsa