keep+one's+course
131turn one's money — (also turn one s goods, turn a penny) Exchange in the course of trade, keep in circulation, gain or increase in trade …
132maintain — v 1. continue, keep going, retain, prolong, keep alive, keep living, keep in existence; cherish, nurture, nurse, nourish, sustain, feed; support, support financially, Inf. keep, Inf. stake, Inf. grubstake, Inf. carry; hold up, uphold, support,… …