Ipse dixit is a Latin phrase meaning, literally, "He himself said it." In legal parlance, it has come to refer to an unsupported statement or unproven assertion that rests solely on the authority of the speaker.
Ipse dixit in Scientism
In the case of scientism and its flag ship, evolutionism, the authority of speaker and given unsupported statement or unproven assertion are euphemistically labeled as scientific community and scientific consensus, respectively.
- GENERAL ELECTRIC CO. et al. v. JOINER et ux. SUPREME COURT OF THE UNITED STATES.