The wisdom left by our ancestors: Keep these four secrets, avoid disasters, and stay away from right and wrong The wisdom left by our ancestors: Keep these four secrets, avoid disasters, and stay away from right and wrong The wisdom left by our ancestors: Keep these four secrets, avoid disasters, and stay away from right and wrong The wisdom left by our ancestors: Keep these four secrets, avoid disasters, and stay away from right and wrong The wisdom left by our ancestors: Keep these four secrets, avoid disasters, and stay away from right and wrong The wisdom left by our ancestors: Keep these four secrets, avoid disasters, and stay away from right and wrong