The quest for truth is at it's core a religious one...a quest for something "larger" than oneself. On the other hand, the goal of predictability is tremendously boring, not bigger than oneself, and actually useful and relevant to the world. Hence the failed attempts by philosophers of science to conflate the two topics.
When I was a child, I spoke as a child, I understood as a child, I thought as a child: but when I became a man, I put away childish things.
Give up your quest for Santa Claus, God and Truth; they are the same problem, the same motivation, and the same solution; In the face of soul-crushing uncertainty, what do I do? Pretend hard enough and smile.