3 Bible Verses about Instinct

But these, as natural, irrational animals, made for capture and destruction, speaking evil of matters which they do not understand, shall be utterly destroyed by their own corruptions;

but these, indeed, revile those things which they do not know; but what things they do know, naturally, as animals void of reason, by these things they destroy themselves.

These be they who separate themselves, sensual, not having the Spirit.