One important key to success is selfconfidence. An important key to selfconfidence is preparation. A cloud does not know why it moves in just such a direction and at such a speed, it feels an impulsion, this is the place to go now.
But the sky knows the reasons and the patterns behind the clouds, and you will know, too, when you lift yourself high enough to see beyond horizons. You have to believe in yourself.
A man does not have to be an angel in order to be saint. The method of the enterprising is to plan with audacity, and execute with vigor, to sketch out a map of possibilities and then to treat them as probabilities. Choose a job you love and you will never have to work a day in your life.