You can always tell an old soldier by the inside of his holsters and cartridge boxes. The young ones carry pistols and cartridges; the old ones, grub.

Summary

This quote is a metaphorical observation about the difference between young and old soldiers. It suggests that younger soldiers focus on the tools of warfare, such as pistols and cartridges, whereas older soldiers prioritize the necessities of survival, symbolized by "grub" or food. It implies that with experience and wisdom, older soldiers understand the importance of sustenance and preparedness in the face of adversity, rather than solely emphasizing weapons. Ultimately, it highlights the contrast between youthful enthusiasm and seasoned practicality in the military context.