The pessimist sees only the tunnel; the optimist sees the light at the end of the tunnel; the realist sees the tunnel and the light – and the next tunnel.
![The pessimist sees only the tunnel; the optimist sees the light at The pessimist sees only the tunnel; the optimist sees the light at Image](https://www.idlehearts.com/images/the-pessimist-sees-only-the-tunnel-the-optimist-sees-the-light-at.jpg?x85372)
The pessimist sees only the tunnel; the optimist sees the light at the end of the tunnel; the realist sees the tunnel and the light – and the next tunnel.