What is Virgil's advice to Dante as spoken at the gate of Hell?

InIII of
the Inferno, Dante and Virgil reach the gate of hell. Dante is absolutely
terrified. This is for good reason, too. He can hardly see a thing, but he can hear a lot; he
hears a hideous cacophony of groans, screams, and cries emanating from the swarm of sinners
within. No wonder he starts crying.

The fabled inscription above the gate
ends with the infamous words:

ABANDON ALL HOPE, YOU WHO
ENTER HERE.

It is fair to say that Dante needs a bit of
moral support at this momentand what better person to provide it than noble Virgil, wisest of
all the pagans. However, Virgil is not there to hold Dante's hand; he will guide him, but
ultimately, it must be Dante who digs deep to find the courage within himself to continue on his
perilous journey:

 Here you must give up all
irresolution;

All cowardice must here be put to death.

This is not so much advice as a stern, fatherly imperative. Dante
must be big, brave and confront his demons, both internal and external. However, Virgil's softer
side soon comes to the fore. He puts his hand on Dante's hand and smiles as they press
ahead.