The Apostle Paul
1 Corinthians 15:39ESV·traditional attribution

For not all flesh is the same, but there is one kind for humans, another for animals, another for birds, and another for fish.

John Calvin Reformed @genevareformer

39. All flesh is not, etc. Here we have another comparison leading to the same conclusion, though there are some that explain it otherwise. For when he says, that under the name of flesh is comprehended the body of a man as well as of a beast, and yet the flesh in those two cases is different, he means by this that the substance indeed...

Matthew Henry Presbyterian @wholebiblehenry

The apostle comes now to answer a plausible and principal objection against the doctrine of the resurrection of the dead, concerning which observe the proposal of the objection: Some man will say, How are the dead raised up? And with what body do they come? Co1 15:35. The objection is plainly two-fold. How are they raised up? that is, "By what means? How can they be raised?

Commenting on 1 Corinthians 15:35-50

John Gill Reformed Baptist @doctorgill

So also is the resurrection of the dead,.... This will be the case and condition of risen bodies, they will be as different from what they now are, though they will be the same in substance, as a stalk of wheat in its blade and ear, and full corn in the ear, is from the naked grain, when cast into the earth; or as the...