It is said that at the highest level all martial arts converge. As one can see from this graphic, it might be true. The picture is said to be the code of conduct of Wing Chun Kung-fu. Most, if not all, apply to us as Aikidoist. Please take care in not only what you do, but what you say and think as well.
Source: http://dincerdogan.com/2013/04/18/wing-tsun-ethics/?ref_src=email