Keep walking because somewhere ahead, there may be a door you cannot see yet.

And sometimes the person who opens it becomes part of your life forever.

Noah raised his hand and waved back.

Then he got into the car beside Daniel.

As they drove away, the porch light came on behind them.

Years earlier, one person had closed a door because she believed a child stood between her and money.

Another person had opened one without asking what she might receive in return.

Noah never forgot the difference.

And for the rest of his life, whenever he had the opportunity to decide which kind of person he wanted to be, he remembered a dusty afternoon in Texas, a teacher named Grace, an uncle who came when called, and a father who had done everything he could in his final days to make sure his son would eventually find his way home.