There's an important message waiting for you. Letters. Something better than a text or WhatsApp message. Letters from the Rock. And we're not talking about Dwayne Johnson (known in the movies as "The Rock"). The true Rock is Jesus.God provided water during the exodus from Egypt: All of them drank the same spiritual water. For they drank from the spiritual rock that traveled with them, and that rock was Christ (1 Corinthians 10:4). Water came from...