“But how do they get inside?"
"They fly," Jace said, and indicated the upper floors of the building.
[...]
"We don't fly," Clary felt impelled to point out.
"No," Jace agreed. "We don't fly. We break and enter." He started across the street toward the hotel.
"Flying sounds like more fun," Clary said, hurrying to catch up with him.
"Right now everything sounds like more fun.”