“Once you get used to working in an environment that is unsafe, and you get used to working unsafe, then being unsafe is not unsafe to you anymore. It's just the norm.”

Carpenter’s apprentice quoted in: Lipscomb HJ, Dement JM, Nolan J, Patterson D, Li L, Cameron W. Falls in residential carpentry and drywall installation: findings from active injury surveillance with union carpenters. Journal of Occupational and Environmental Medicine, 45:885 (2003).