Simplify the following text for a Grade 4 native English-speaking person.
Original: Thoth was often considered to be the heartâ '' which , according to the ancient Egyptians , is the seat of intelligence or the mindâ '' and tongue of the sun god Ra , as well as the means by which Ra 's will was translated into speech .
Simplified: Thoth was considered the heart and tongue of Ra . He was also the one who translated Ra 's will into speech .