18 THE KU HEXAGRAM Earth of Air ---------- ---- ---- ---- ---- ---------- ---------- ---- ---- ŽIP11¯ KU: Service. Thou mayst cross the stream no doubt, if thou have fully thought thy purpose out. Good son, repair thy sire's infirmity; Be gentle with thy mother's frailty, Son. Yea, clear thy father's troubles, every one. Restrain thy course; view them indulgently. Thus gain the praise of thine utility. Do what thou wilt, thyself, a slave to none!