A. When they gathered together, the Buddha was completely silent and some speculated that perhaps the Buddha was tired or ill.
B. It is said that Gautam Buddha gathered his disciples one day for a Dharma talk.
C. One of Buddha's disciples, Mahakasyapa, silently gazed at the flower and broke into a broad smile.
D. The orgins of Zen Buddhism are ascribed to the flower Sermon, the earliest source for which comes from the 14th century.
E. The Buddha silently held up and twirled a flower and twinkled his eyes, several of his disciples tried to interpret what this meant though none of them were correct.