既得其母，以知其子，既知其子，复守其母，没身不殆。
He who apprehends the mother thereby knows the sons. #2 And he who has known the sons, will hold all the tighter to the mother, and to the end of his days suffer no harm;
塞其兑，闭其门，终身不勤。
block the passages, shut the doors, and till the end your strength shall not fail.
开其兑，济其事，终身不救。
Open up the passages, increase your doings, and till your last day no help shall come to you.
见小曰明，守柔曰强。
As good sight means seeing what is very small So strength means holding on to what is weak.
用其光，复归其明无遗身殃，是为习常。
He who having used the outer-light can return to the innerlight is thereby preserved from all harm. #2 This is called resorting to the always-so.