"[Chiefs' recent form] is very good, but it is important for the players to keep their feet on the ground," he said on his analysis on Extra Time.
"It is a very long season; it is not a cup competition, so as much as there is joy and there is ease in how they have started, there is still a lot of work to be done.
"The performance against Stellenbosch was not a great performance, but it was a wonderful result.
"[Against Polokwane City], the first half was not great, the second half was a lot better, so there are signs that something is brewing.
"It is important that they remain calm and most importantly, stick together and see it through," Khumalo concluded.