APPENDIX II. 

[These two lines occur in some editions.] 

160A 道淵源

Tao4 yuan1 yuan2

Speak abyss source 

It discusses hidden springs of action,

Tao see line 7. 

Yuan is composed of 水 shui water as radical, with an obsolete word said to be a picture of water eddying along the banks of a river. 

Yuan is composed of water as radical, with 原 yuan origin as phonetic. 

160B 習禮義

Practise ceremonial duty  

Hsi2 li3 i4

and deals with ceremonial and man's duty to his neighbour.

Hsi see line 4. 

Li see line 32. 

I see line 14.