Who said "What we think about determines what we become."?

This quote is attributed to Virgil.

What we think about determines what we become. - Virgil

"What we think about determines what we become."

Virgil Philosophy

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."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."