Havamal

For a gazing-stock no man shall have another, although he come a stranger to his house. Many a one thinks himself wise, if he is not questioned, and can sit in a dry habit.

At augabragði skala maðr anna hafa þótt til kynnis komi margr þá fróðr þykkisk ef hann freginn erat ok nái hann þurrfjallr þruma

Havamal: 30, Gestaþáttr