I know it when I see it
FAMOUS EXPRESSION IN US BY POTTER STEWART RELATED TO THE CASE JACOBELLIS V. OHIO
I know it when i see it; Potter Stewart standard; I'll know it when I see it; Potter Stewart test; IKIWISI; "I know it when I see it"
The phrase "I know it when I see it" is a colloquial expression by which a speaker attempts to categorize an observable fact or event, although the category is subjective or lacks clearly defined parameters. The phrase was used in 1964 by United States Supreme Court Justice Potter Stewart to describe his threshold test for obscenity in Jacobellis v.