He can do nothing but follow orders.

A soldier can't know, very often, what an order is given for; he cannot judge; he does not know what his General means to accomplish.

All he has to think of is to obey orders; and if every soldier does that, all is right." What was little Daisy thinking of?
She sat looking at her friend the Captain.

He was amused.
"Well, Daisy--what do you think?
will it do?
Do you think you will stand it and be a soldier ?" Daisy hesitated a good deal, and looked off and on at the Captain's face.

Then she said very quietly, "Yes." "You will!" he said.