Proof is an idol before whom the pure mathematician tortures himself.
If your theory is found to be against the second law of theromodynamics, I give you no hope; there is nothing for it but to collapse in deepest humiliation.
It is even possible that laws which have not their origin in the mind may be irrational, and we can never succeed in formulating them.
Something unknown is doing we don't know what.
It is sound judgment to hope that in the not too distant future we shall be competent to understand so simple a thing as a star.
We have found a strange footprint on the shores of the unknown.