" Say it,' Ronan told Gansey.

'Say what?'

'Excelsior.'

'That's onward and upward,' Gansey said. 'It means to ascend. That's opposite.'

'Oh well,' Ronan said. 'Squash one, squash two, squash three on and on and on-'

Then he disappeared into the hole, his voice still carrying up.

Adam said, 'I'm not singing along!' but he followed Ronan in. "

― Maggie Stiefvater , Blue Lily, Lily Blue (The Raven Cycle, #3)