Six at the beginning means:
Keeping the toes still means halting before one has even begun to move. The beginning is the time of few mistakes. At that time one is still in harmony with primal innocence. Not yet influenced by obscuring interests and desires, one sees things intuitively as they really are. A man who halts at the beginning, so long as he has not yet abandoned the truth, finds the right way. But persisting firmness is needed to keep one from drifting irresolutely.