Simplify the following text for a Grade 9 native English-speaking person.
Original: In this sense of being synonymous with the Buddha 's teachings the Dharma constitutes one of the Three Jewels of Buddhism in which practitioners of Buddhism take refuge ( what one relies on for his\/her lasting happiness ) .
Simplified: The Dharma is one of the Three Jewels of Buddhism of which followers of Buddhism seek refuge in ( what one relies on for his\/her lasting happiness ) .