It was born from his enlightenment. what were the experiences that led to his enlightenment?
The story of Buddha is clear. How did he reach his enlightenment? what was the main force that drove him to head down the path?
How about Jesus? What were the experiences he had that led him to take the actions he took?
I see a common thread among all great persons. Oh...Ghandi too? Mother Teresa?
The story of Buddha is clear, he entered various ascetic practices. In my view he thought that Aikido would be a perfect vehicle to practice such spiritual disciplines. Maybe similar to the original shaolin concept, but I don't know that for sure.