Fruits are always of the same nature with the seeds and roots from which they come, and trees are known by the fruits they bear: as a man begets a man, and a beast a beast, that society of men which constitutes a government upon the foundation of justice. ↗
I think we have to be careful about what we label as a prerequisite for spirituality. I don't think you have to know a lot to have a spiritual life, but knowing gives life richness. ↗