Heraclitus. Everything changes and nothing stays the same.

Parmenides. Nothing changes and everything stays the same.

Empedocles. The merchandise changes, but the prices at the Drachma Tree store do not change.

Democritus. The price at the Drachma Tree store goes up to a drachma and a quarter, but the merchandise is always the same cheap rubbish.

Plato. Prices individually are subject to change without notice, but the reality of Price is eternal and unchanging.

Aristotle. Heraclitus says that everything changes and nothing stays the same. Parmenides says that nothing changes and everything stays the same. Empedocles says that the merchandise changes, but the prices at the Drachma Tree store do not change. Democritus says that the price at the Drachma Tree store goes up to a drachma and a quarter, but the merchandise is always the same cheap rubbish. Plato says that prices individually are subject to change without notice, but the reality of Price is eternal and unchanging. But these arguments are easily refuted, and the truth is somewhere in the middle.