... Its non-resisting nature and peaceful philosophy is expressed through the techniques, ...
Different styles/dojo/sensei teach very different ways to do certain techniques.
Just to give one example we deliver nakadaka ippon ken to the larynx as one basic form of atemi. On the other side there are styles which doesn't use atemi at all.
Or our techniques live from controlling uke, taking over his body and movements by the connection. Other styles of aikido even don't aim to break the balance of uke, because this would be to aggressive.
And there are countless esamples I think of understanding and performing techniques different.
So on which way of doing a certain technique do you rely for forming your spirituality of aikido?
Don't you think your spirituality is forming your way of doing the techniques?