childlike

"The teacher explained the new math concept quickly. "

"Wonders of the World seem to come in sevens."

"The student's enthusiasm for history was a form of divine inspiration, making him memorize facts effortlessly. "

"I am seeing a red car parked across the street. "

"Please direct your attention to the following words."

"The child's artless honesty about breaking the vase made it hard to be angry with him. "

"He is a student of life."

"The new shoes are suitable for playing sports. "

"The lost puppy, though scared, had a trustful nature and readily licked the hand that offered it food. "

"The slaughter of the innocents was a significant event in the New Testament."

"The credulous child believed the older kids when they said the school lunch was made of candy. "

"It was a heart-warming movie about a child overcoming adversity."