Radio interview (1939) quoted in Introduction by Robert DeMott to a 1992 edition of The Grapes of Wrath (via wikiquote).
“ Boileau said that Kings, Gods and Heroes only were fit subjects for literature. The writer can only write about what he admires. Present-day kings aren’t very inspiring, the gods are on a vacation and about the only heroes left are the scientists and the poor … ”
Radio interview (1939) quoted in Introduction by Robert DeMott to a 1992 edition of The Grapes of Wrath (via wikiquote).