Instead of foolishly waging war, hereafter we will wage peace, the true purpose of Aikido. We will train to prevent war, to abolish nuclear weapons, … - Morihei Ueshiba

Draw a circle around the center of a human being. Within this circle lies all physical power. Outside of this circle, even the strongest human being loses his power. If you can pin your partner outside of his sphere of strength, you can control him with just one finger

I felt the universe suddenly quake, and that a golden spirit sprang up from the ground, veiled my body, and changed my body into a golden one. At the same time my body became light. I was able to understand the whispering of the birds, and was clearly aware of the mind of God, the creator of the universe. At that moment I was enlightened: the source of Budo is God's love — the spirit of loving protection for all beings … Budo is not the felling of an opponent by force; nor is it a tool to lead the world to destruction with arms. True Budo is to accept the spirit of the universe, keep the peace of the world, correctly produce, protect and cultivate all beings in nature.

To injure an opponent is to injure yourself. To control aggression without inflicting injury is the Art of Peace.