Security is a double-edged sword: While a fence sure protects the fenced; it also imprisons the protected.

She considered compassion the highest virtue, but that night on Obstetric Ward B, it had had a twin sister whose face was invisible to Carla. The suffering women, however, had recognized it immediately: condemnation.

Time is a double-edged sword: while it might heal all wounds; it also kills all the healed.