Who said "The true leader leads by example, not by decree."?

This quote is attributed to Virgil.

The true leader leads by example, not by decree. - Virgil

"The true leader leads by example, not by decree."

Virgil Leadership

Poet Roman 70–19

"I sing of arms and the man who first came forth from Troy's boundaries to Italy and the Lavinian shores."

"Fortune favors the bold."

"What greater thing is there for two human souls than to feel that they are joined for life?"

"I fear the Greeks, even bearing gifts."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"