《商君书·君臣》
农民，可以使他们务农作战，也可以使他们游走求官，还可以使他们致力学问。这些都在国君的赏赐。
故民，可令农战，可令游宦，可令学问，在上所与。
The people can be made to farm and fight; they can be made to travel and hunt for positions; they can be made to pursue studies. All this depends on the prizes that the king offers.