DRUMMOND: As long as the prerequisite for that shining paradise is ignorance, bigotry and hate, I say to hell with it.

Nedrick Young (1914-1968) American screenwriter and actor [pseud. Nathan E. Douglas]

Inherit the Wind, film (1960) [with Harold Jacob Smith]
    (Source)

The original 1951 play was written by Jerome Lawrence and Robert E. Lee, but does not include this line, delivered in the film by Spencer Tracy. Young and Smith share the screenwriting credits.