Saul saw that he was very successful, and he was afraid of him.
Wherefore when Saul saw that he behaved himself very wisely, he was afraid of him.
When Saul saw how capable and successful David was, he stood in awe of him.
And when Saul saw that he behaved himself very wisely, he stood in awe of him.
And so, Saul saw that he was exceedingly prudent, and he began to be wary of him.
And Saul saw that he was exceeding prudent, and began to beware of him.