Full Idea
How could what is bitter for us be sweet and sour for others, if there is not some determinate nature for them?
Gist of Idea
How can we state relativism of sweet and sour, if they have no determinate nature?
Source
Theophrastus (On the Senses [c.321 BCE], 70)
Book Reference
Democritus: 'Early Greek Phil VII: Democritus', ed/tr. Laks,A/Most,G [Harvard Loeb 2016], p.415
A Reaction
The remark is aimed at Democritus. This is part of the general question of how you can even talk about relativism, without attaching stable meanings to the concepts employed.