A stitch in time saves nine

Daniel was the driver of a school bus, every morning he used to check the bus before leaving home, but that morning he was angry to do so, he hurriedly picked up the children to drop them off at school, during the course of the trip bus made a strange noise, at that moment he remembered that the bus had a fault but did not give much importance and continued, when suddenly loses control of the brakes and crashes strongly against a wall, Daniel looks around, all his passengers were dead, no child alive, only he survives to feel in his own flesh the punishment of causing that terrible accident and in his mind rumble "A stitch in time saves nine"