Example 1. - All scientists in Magellen's day taught that the earth is flat.

Example 2. The biogenetic law or ontogeny recapitulates phylogeny, is a theory in biology which attempts to explain apparent similarities between humans and other animals. First espoused in 1866 by German zoologist Ernst Haeckel, a contemporary of Charles Darwin , the theory has been discredited in its absolute form.

Here is what the Bible says about your Final Authority.

1 Timothy 6:20  O Timothy, keep that which is committed to thy trust, avoiding profane and vain babblings, and oppositions of science falsely so called: