In every dharma logo the circle in the middle is surrounded by I Ching symbols. in order from 12 o'clock going clockwise the symbols say 1.Li 2.k'un 3.sun 4. ch'ien 5.K'an 6.Chen 7. Ken 8. Tui. each of these symbols has four meanings 1. Li; name=clinging. attribute=light-giving. image=fire. family relationship=second daughter 2.k'un; name=the receptive. att.=devoted, yeilding. image=earth. family=mother 3. sun; name=the gentle. att.=penetrating. image=wind,wood. family=first daughter 4.ch'ien; name=the creative. att.=strong. image=heaven. family=father 5.K'an; name=the abysmal. att.=dangerous. image=water. family=second son. 6. Chen; name=the arousing. att.=inciting movement. image=thunder. family=first son. 7.Ken; name=keeping still. att.=resting. image=mountain. family=third son 8.Tui; name=the joyous. att.=joyful. image=lake. family=third daughter. so in the screen caps there is a symbol of the i ching on the sub, it is K'an. which you can see above, the sub lives up to it's name.