for all i know in a sentence

Examples

1. For all I know, that's a World Series first.
2. For all I know, this could be a hoax.
3. For all I know, my husband is still alive.
4. For all I know, he could've made it up.
5. He could be an android for all I know.
6. For all I know now it's out of date.
7. For all I know I'm talking with Margaret Thatcher.
8. Maybe the density of population, for all I know.
9. She could have a gun for all I know.
10. For all I know, they buy fertilizer at Wal-Mart.