In "New Moon," the second book of the Twilight series by Stephenie Meyer, a character expresses a sense of urgency regarding safety. The warning, "Try not to trip. We don't have time for a concussion today," reflects the high stakes and emotional tension the characters face. This line highlights the precariousness of their situation, suggesting that there are more pressing matters at hand than minor accidents.

The quote conveys a mix of concern and practicality, emphasizing that even in moments of danger or turmoil, the characters must focus on what truly matters. It captures the essence of the challenges they are navigating, where any distraction or setback, like a concussion, could have significant consequences in their already complicated lives.