We must admit with humility that, while number is purely a product of our minds, space has a reality outside our minds, so that we cannot completely prescribe its properties a priori. ↗
Here, like everywhere else, laughing and singing, dancing and dreaming are not exactly the whole of reality; and for one ray of sun shining on the hut, the rest of the village remains in the dark. ↗
In so far as a scientific statement speaks about reality, it must be falsifiable; and in so far as it is not falsifiable, it does not speak about reality. ↗