Ecclesiastes 5:3

For a dream comes through much activity, And a fool's voice is known by his many words.

Surrounding context

5:2 Do not be rash with your mouth, And let not your heart utter anything hastily before God. For God is in heaven, and you on earth; Therefore let your words be few.

5:3 For a dream comes through much activity, And a fool's voice is known by his many words.

5:4 When you make a vow to God, do not delay to pay it; For He has no pleasure in fools. Pay what you have vowed--

Translation and sources