There are two ways to live falsely. The first is to take a false principle and insist that it is actually the truth. No amount of stubbornly insisting that our way is right will ever make it so, and we will grind our souls against the wheel of truth until we relent, or until it breaks us.
The second way to live a falsehood is to believe the actual, genuine truth, but to be insincere in our following of it. This might be due to being well-taught in our youth, but never gaining the fire and conviction of true conversion. We act in the manner of truth, but it comes out forced and unnatural.
Both sorts of false living require true conversion. Each person in these ways must become aligned to the truth at their core. At that point they will flow with the power of life instead of trudging upstream against it or floundering broadside to it.