"I left out the fact that I wanted to fight jihad," he wrote.
"America badly needs an alternative vision - rooted in the liberal tradition - for fighting global jihad," he writes.
"And yet the liberalism emerging today denies that fighting global jihad should even be a priority."
He knew he was going for military training, but said, "I wasn't planning on going to fighting jihad."
Whoever can, from among the Arabs, fight jihad in Palestine, then he must start there.
Others returned "with their experience, ideology, and weapons," to their home countries, often proceeding to fight jihad against the government there.
"I heard from the clerics there that if you fight jihad, you would go to paradise," he said.
"He told him, My son, we are keeping our oath, fighting jihad in the path of Allah," he said.
A document on raising morale instructed officers to incite their troops to fight a Muslim holy war, or jihad.
"In the Koran it is written that it is every Muslim's right to fight jihad," he said.