Hadith 5

“I heard my father say that Ibn ‘Umar (رضي الله عنه) saw a Yamani man, going around the House while carrying his mother on his back, saying, 'I am your humble camel. If her mount is frightened, I am not frightened.' Then he asked, 'Ibn ‘Umar, do you think that I have repaid her?' He replied, 'No, not even for a single groan”

Groan: make a deep inarticulate sound in response to pain or despair