Man has always been half-monster, half-dreamer.
They whispered to Caesar that he was mortal, then sold daggers at half-price in the grand March sale.
You've got to jump off cliffs and build your wings on the way down.
A library is all the university you will ever need.
Ask no guarantees, ask for no security, there never was such an animal. And if there was it would be related to the great sloth which hangs upside down in a tree all day every day, sleeping its life away.
The beginning of wisdom, as they say. When you're seventeen you know everything. When you're twenty-seven if you still know everything you're still seventeen.