A flower is not a flower. It is made only of non-flower elements - sunshine, clouds, time, space, earth, minerals, gardeners, and so on. A true flower contains the whole universe. If we return any one of these non-flower elements to its source, there will be no flower.
Thich Nhat Hanh (2015). “The Heart of the Buddha's Teaching: Transforming Suffering into Peace, Joy, and Liberation”, p.129, Harmony