"King: Avaunt, monster! You may pride yourself on the magic that renders you invisible, but my arrow shall find you out. Thus do I fix a shaft That shall discern between an impious demon, And a good Bráhman; bearing death to thee, To him deliverance—even as the swan Distinguishes the milk from worthless water."
January 1, 1970
https://en.wikiquote.org/wiki/Shakuntala_(play)