2 quote of how ralph is confident

Unlike Piggy, Ralph tears of his clothes and "did a surface dive and swam under water with his eyes open." Ch.1

Ralph isn't afraid to let Jack know what he has done,

“There was a ship. Out there. You said you’d keep the fire going and you let it out!” He took a step toward Jack, who turned and faced him.

“They might have seen us. We might have gone home—” Ch.4