Nehemiah 4:11

4:11 Our adversaries also boasted, “Before they are aware or anticipate anything, we will come in among them and kill them, and we will bring this work to a halt!”

Nehemiah 2:16

2:16 The officials did not know where I had gone or what I had been doing, for up to this point I had not told any of the Jews or the priests or the nobles or the officials or the rest of the workers.