If a man fights his way through his doubts to the conviction that Jesus Christ is Lord, he has attained to a certainty that the man who unthinkingly accepts things can never reach.
Some of our important choices have a time line. If we delay a decision, the opportunity is gone forever. Sometimes our doubts keep us from making a choice that involves change. Thus an opportunity may be missed.
It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt.