7 For many dreams bring futility, also many words. So, fear God.

Eccl 5:7 (HCSB)

God seems invisible to us and we forget He is here with us and He hears what we say. Sometimes we say things that later we find difficult to do or live out. The caution of the word is to be careful what we say. There is futility in many dreams. There is futility in many words. We must make certain that the words we speak we mean and will keep them.

God takes our words seriously and so should we. If we have a proper fear (reverence and awe) for God we will speak words that we intend to keep, words that we will live out.