Painful as it was, he would do better to proceed carefully.
Turn to your left and proceed carefully along the edge.
The first phase of construction proceeded carefully over the next several years.
"We will proceed carefully, keeping in mind especially those who didn't vote for us," he said.
He must proceed slowly and carefully, watching all about him.
"We continue to work up the ladder and are proceeding carefully."
There was little likelihood of anyone seeing him if he proceeded carefully.
So I want to proceed carefully to cover more people.
Like any plan, you proceed carefully from one step to the next.
So we must proceed carefully for the sake of the workers concerned.