Life offers us only a single favourable chance of the same kind. If we throw it away, through bad judgement or blind handling, no one is to blame except ourselves when it never recurs again. The same chance never repeats itself. If it is not used when it comes, it is lost in that form for this lifetime.
-- Notebooks Category 9: From Birth to Rebirth > Chapter 4: Free Will, Responsibility, and The World-Idea > # 45