A clear conscience is usually the sign of a bad memory.

Ambition is a poor excuse for not having enough sense to be lazy.

Careful with that light at the end of the tunnel, it might be another train coming.

How come toy hippos are always blue, or purple, when real hippos are brown?

If one synchronised swimmer drowns, do all the rest have

to drown too?

Why do mattresses have designs on them when they’re always covered with sheets?

If a person suffered from amnesia and then was cured would they remember that they forgot?