Rick Riordan said this quote

He cleared his throat and held up one hand dramatically.“Green grass breaks through snow. Artemis pleads for my help. He grinned at us, waiting for applause. That last line was four syllables.” Artemis said. Apollo frowned. “Was it?” “No, no, that’s six syllable, hhhm.” He started muttering to himself. That’s five syllables!” He bowed, looking very pleased with himself.