John 4:53

So the father knew that it was at that hour in which Jesus said unto him, Thy son liveth: and himself believed and his whole house.

And himself believed ... But was he not already a believer? In a sense, he was; but far more is intended here. Far more than merely believing that the Lord had healed his son, he now believed in the Lord as the Saviour of the world.

And his whole house ... What a weight of responsibility rests upon every father. From the time of Adam who, as the federal head of the whole human race, plunged mankind into ruin, it has been a solemn and undeniable fact that whole families, cities, and even nations, partake of the consequences of a single decision for right or wrong by a single individual. The decision of this father brought redemption to an entire household.