English: "You shall eat it, the unclean and the clean..." — Here the unclean and the clean may eat from one dish without concern, but not with regard to terumah; from here we learn that a pure person who eats impure terumah violates a positive commandment.
On the daf / in context: The special leniency granted to a blemished firstborn highlights, by contrast, the stricter rule that governs terumah.
Type of Learning
Derash on the verse (Yevamos) — impure terumah may not be eaten by a pure person.
What Is Learned
A pure person who eats impure terumah violates a positive commandment; the leniency of a blemished firstborn does not apply to terumah.