Even though I walk through the valley of the shadow of doubt, I will fear no evil.
—Paraphrase of Psalm 23:4
There is nothing more dreadful than the habit of doubt.
Let me take you back many years.
I was sitting on the beach in the South of France on a hot August day, having very human doubts. I was putting the finishing touches on my master’s thesis in economics, and I had been admiring this Italian girl from afar for the last three days. It had become unbearable torture. By now, I was idealizing her like a Greek goddess!
I finally mustered the strength to go over and talk to her. In two minutes, the Greek goddess I had been fantasizing ...