Villa are now in a more precarious position, having lost four games in a row, and fell below Palace after Jason Puncheon's second-half goal was enough to give Pulis' side the points.
"You're always looking to go on a run and pick these points up," Pulis said.
"We are on 37 at the moment so let's get to 40 and then we will talk about next season, 40 will keep us up.
"We are not safe. I will talk about it when we have done it, that is the best way. Someone told me we had three points out of a possible 30 when I came into the football club and it has been really encouraging."
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