What is the meaning of both economic Numbers

Both economic Numbers is"The I chingIn the sixty-four hexagrams sixty-three hexagrams.It is piled up different hexagrams, divination is away from the hexagrams, divination is kangua.The hexagrams represents fire, kangua water represents.Water on the fire, the analogy the gentleman should have a big goal, after the success, want to consider possible problem in the future, early take measures to take preventive measures.At the same time, the work need to be careful, to nip in the bud, leaving a for oneself, to avoid disaster.