Mark 16:8
And they went out quickly, and fled from the sepulchre; for they trembled and were amazed: neither said they any thing to any man; for they were afraid.
Cross-reference
Mark 16:5 shows the women's alarm at seeing the angel, which leads to the trembling and flight in 16:8.
In Mark 16:6, the angel tells them not to be alarmed, yet in 16:8 they flee trembling — a direct contrast between command and response.
Matthew 28:8 shows the women running to tell the disciples with joy — contrasting sharply with Mark's account here where they say nothing out of fear.
Luke 24:9-11 has the women telling the disciples, who disbelieve — contrasting with Mark's statement here that they said nothing to anyone.
In Matthew 28:7, the angel commands the women to tell the disciples; in Mark 16:8, they say nothing to anyone — a stark contrast in response.
Luke 24:22-24 reports that the women told of an angelic vision — contrasting with Mark's claim here that they said nothing to anyone.