on second thought in a sentence

Examples

1. On second thought, maybe that isn't a good sign.
2. On second thought, maybe that's not a bad idea.
3. On second thought, it is better not to imagine.
4. On second thought, maybe we don't want to know.
5. On second thought, throw in the first half, too.
6. No . On second thought, the poll was wrong.
7. On second thought, the answer seems obvious : money.
8. On second thought, maybe the act needs more work.
9. On second thought, perhaps it is not so surprising.
10. On second thought, make them the height originally specified.