3 Bible Verses about Instinct

But these men, as the naturally irrational brute beasts, made to be taken and destroyed, speaking evil of the things of which they are ignorant, will perish by their own corruption;

But these men speak evil even of the things of which they have no knowledge: but such things as they know naturally, as the brute beasts, in these they corrupt themselves.

These are the men who separate themselves, sensual, destitute of the Spirit.