This seems to be the law of progress in everything we do; it moves along a spiral rather than a perpendicular; we seem to be actually going out of the way, and yet it turns out that we were really moving upward all the time. ↗
Nothing seems to me more doubtful than Aristotle's remark that it is probable the arts and philosophy have several times been discovered and several times lost. ↗
It's a bit odd that nobody seems to be using the correct technical term to describe organized Islamic terrorists. They are not a faction of a religion or a social movement. They are a cult. A suicide cult. ↗