Genesis 3
8 Ref And they heard the voice of Jehovah God walking in the garden in the cool of the day: and the man and his wife hid themselves from the presence of Jehovah God amongst the trees of the garden.
9 Ref And Jehovah God called unto the man, and said unto him, Where art thou?
10 Ref And he said, I heard thy voice in the garden, and I was afraid, because I was naked; and I hid myself.