Pure gold, pure gold. There is no pure gold.
Son. Metaphor: Nothing is perfect. also
Metaphor cannot require a person to have no shortcomings.
Mistake.
People are not Yao and Shun, who can be perfect Yao and Shun;
Two emperors in ancient legend. ordinary people
Who can be perfect without a saint like Yao Shun?
This beautiful metaphor can't be without faults.
Inch defect: a large piece of jade is very small and flawed.
Gross. Metaphor is a good talent with small shortcomings.
The white jade is slightly flawed: it is a little small.
Spots. That's a good metaphor. Everyone or everything has some shortcomings.
Point, fly in the ointment.