Happy the man who has been ...

Happy the man who has been able to learn the causes of things.
 Virgil

Quotes from the same author

They can do all because they think they can.
 Virgil
They can conquer who believe they can.
 Virgil
Fortune favors the brave.
 Virgil
In his deepest heart there surge tremendous shame and madness mixed with sorrow and love whipped on by frenzy and a courage aware of its own worth.
 Virgil
Age steals away all things, even the mind.
 Virgil