And if you set your heart to seek God, this darkness will also come to you. You will not be exempt. You will not escape it. It is an essential factor in a deep and thorough Christian experience. Even in nature you know it's true.
Nothing can live in unbroken sunshine.
There must be the cycles of the night, and days of clouds and rain. Light and darkness are both essential for plant growth. Non-stop sunshine only creates a desert. What is true in the seasons of nature is also true in the seasons of the spirit. Summer is beautiful, but winter must always come.