man is the measure of all things

Etymology
According to Plato, the phrase was coined by Greek philosopher Protagoras.

Phrase

 * 1) (an expression of) the doctrine that all knowledge is subjective, being derived from observations made by humans, and there can be no objective truth

Translations

 * Catalan: l'home és la mesura de totes les coses
 * Chinese:
 * Mandarin: 人类是一切的测量具
 * Danish: mennesket er alle tings mål
 * Estonian: kõigi asjade mõõt on inimene
 * Finnish: ihminen on kaiken mitta
 * French: l'homme est la mesure de toute chose
 * German: der Mensch ist das Maß aller Dinge
 * Latin: homo mensura
 * Norwegian: mannesket er målstokken for alle ting
 * Polish: człowiek jest miarą wszystkiego
 * Russian: челове́к есть ме́ра всех вещей существующих
 * Spanish: el hombre es la medida de todas las cosas
 * Swedish: människan är alltings mått