Virgil:

They can because they think they can.

— Virgil Ancient

Aeneid

From 'Aeneid', on the power of belief.

29–19 BCE

Verification

Confirmed

Found in 3 providers: deepseek,grok,gemini

Cross Reference

3 sources

"Ab uno disce omnes."

"The greatest wealth is health."

"They are able because they seem to be able."

"Durate, et vosmet rebus servate secundis."

"I sing of arms and the man."