1. Where there's a will, there's a way.
2. Where there's smoke, there's fire.
3. You can't have your cake and eat it too.
4. You can't teach an old dog new tricks.
5. You reap what you sow.
6. All roads lead to Rome.
7. Don’t bite off more than you can chew.
8. Early to bed, early to rise makes a man healthy, wealthy and wise.
9. People who live in glass houses shouldn’t throw rocks.
10. To the pessimist, the cup is half empty; to the optimist, it is half full.