This hadith has been transmitted on the authority of Sufyan and the words are:
" We could not afford to eat to the fill even dates and water." (PT)
Reference (PT): Sahih Muslim 2975 c (PT)
In-book reference (PT): Book 55, Hadith 40 (PT)
USC-MSA web (English) reference(deprecated numbering scheme): Book 42, Hadith 7096 (PT)