Who said "To know a thing one must know its limits."?

This quote is attributed to Ezra Pound.

To know a thing one must know its limits. - Ezra Pound

"To know a thing one must know its limits."

Ezra Pound Knowledge

Poet Critic American 1885–1972

"Make it new."

"The natural object is always the adequate symbol."

"Poetry is a sort of inspired mathematics."

"A poet is a light and winged and holy thing."

"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."