Once, a bengali babu went to gulzar sahib to learn shairi. gulzar sahib asked the bengali to repeat after him:
“na gila karunga, na shikwa karunga…
tu salaamat rahe, rab se yahi dua karunga.”
the bengali babu repeated:
“na geela korega, na sukha korega….
tum saala , mat raho, rob se yehi dua korega”