Whoever digs a pit will fall into it; if someone rolls a stone, it will roll back on them.
OJBHe who diggeth a shachat (pit) shall fall therein, and he that rolleth an even (stone), it will roll back upon him.
T4TThose who dig a deep pit for other people to fall into will fall into it themselves; rocks will roll down on those who start to cause rocks to roll down to crush someone.