When you won't see something again

The things most worth memorizing are those you will only see once.

The sunrise had me write that.

The things most worth memorizing are those you will only see once. Even if the only-once happens every day.

Yes, I was too lazy to pull out the Remington or Royal, so I guess we're stuck with this.

Maybe one day, if I remember, I will see this again, and type such on manual.