The origin of this book is part of the book of Imam Ibn al-Qayyim - may God Almighty have mercy on him: The Key to the House of Happiness
Where he spoke among its folds about some of the signs of God Almighty in the souls, the horizons, and the sensual and moral judgments they contained.
He also calls through him, may God have mercy on him, to the realization of reason, self-reflection, and contemplation of His creation: man, the universe, animals, and nature.
This book is a continuous and effective call for all people to look and reflect on the verses of God, may He be glorified and exalted, if they want the truth and follow it.