Martin Meadows opens Self-Discipline in Difficult Times by drawing a clear distinction between the discipline required for everyday productivity challenges and the fundamentally different discipline needed to persevere through genuinely difficult circumstances — crisis, major setback, or sustained hardship.

Why Meadows distinguishes these two types of discipline:

• Most popular discipline and productivity advice is implicitly calibrated for relatively stable circumstances — building a workout habit, staying focused during a normal workday — and doesn't directly address the additional challenges genuine crisis introduces
• Genuine hardship often depletes the same willpower and cognitive resources that conventional discipline techniques assume are available in reasonable supply
• Meadows argues readers facing genuine difficulty need a distinct, more resilience-focused approach rather than simply applying standard productivity advice more forcefully during an already depleting crisis

This distinction sets up the book's practical focus: not general discipline-building, but specifically calibrated strategies for maintaining functional discipline when circumstances themselves are actively working against sustained effort and willpower.