Official Webpage of A.Tanzadeh, 8th Dan, Kyoshi 糸東会

Henka no koto

A – Instead of launching a direct attack, you have to surprise your opponent by varying your attack and movement.
B – Be prepared for any variations and possibilities of different movements and attacks may come from your opponent.

From the Shitoryu’s Five Practices of Learning “Go Shu Go Gaku
By Ryuso Kenwa Mabuni