For it is God who commanded a light to be shone in the darkness and in our hearts. Light which is the light of life and that which darkness does not comprehend. Like light blazing in the darkness, when you or I experience a sudden awakening with honesty and then take action. It can be known as having an "Aha" moment.
The Bible contains a number of examples of people having "Aha" moments by which we can learn how we are to respond when God enlightens the path before us.