What are some quotes that tell us that his freedom is taken away?

From the text:

What right do you have to take a baby and turn his life into some kind of mockery? Don't you ever feel guilty?

As Truman grew up, we were forced to manufacture ways to keep him on the island.

It was Dad. I swear! Dressed like a homeless man. And you know what else was strange? A business man and a woman with a little dog came out of nowhere and forced him onto a bus.

In competition with five other unwanted pregnancies, the casting of a show determined by an airdate, Truman was the one who arrived on cue.