had insights, Thoughts appeared in Mind.
had insights that Martial Arts Philosophy is very dangerous, for it allows to defeat someone utterly, completely - in inner & external worlds.
it's dangerous but useful against Terrorists, who can be subdued that way & subject to changes.
had insights that they are grateful for that later, their victims even more.
insights do not always make sense, not always are truthful, but these seem plausible at least.
... see also, if You wish or need ... : Sources of Martial Arts Philosophy, Joining Martial Arts' Pearls of Wisdom into a Mala of many Pearl Beads.