But there are limits, as the 52-year-old Jack discovers when his company wants to give him a promotion.
That night, Jack discovers caves with an abundance of fresh water.
Three years later Jack had discovered they had been right about the stock options.
In the late 1960s Jack discovered surveyors on the property who wanted to develop the land.
Jack said, and discovered that he was almost shouting.
Jack and his students discovered that they could set Dougal puzzles.
It was among these that Jack had discovered the most curious of all.
During dinner, Jack discovered Karen was also her own woman.
Nor was that completely inaccurate, Jack discovered when they got it open.
But it was not until ten years later that Jack discovered she was his mother.