Who said "The mind extends as far as understanding reaches."?

This quote is attributed to Heraclitus.

The mind extends as far as understanding reaches. - Heraclitus

"The mind extends as far as understanding reaches."

Heraclitus Knowledge

Philosopher Ancient Greek 540–480

"Change is the only constant in life."

"No one steps in the same river twice."

"The path up and down are one and the same."

"Conflict is the father of all things."

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."