| Easy come, easy go. |
| Don't bite the hand that feeds you. |
| All good things must come to an end. |
| One man's trash is another man's treasure. |
| There's no time like the present. |
| Beauty is in the eye of the beholder. |
| Necessity is the mother of invention. |
| A penny saved is a penny earned. |
| Familiarity breeds contempt. |
| You can't judge a book by its cover. |