Many worldly people easily change the decisions they've made. They break promises with others if they think the promise is not beneficial for them. They change their plans frequently according to the situation. They just keep the promises that seem important or beneficial or have serious consequences. The confidence and trust of others cannot be gained this way. Whether a promise is big or small, we have to keep all promises with unchanging hearts. Then, we can gain the confidence and love of God and be led in the ways of prosperity.