1. What we learn with pleasure we never forget. 

2. Forget not that you are a man. 

3. Forget others' faults by remembering your own. 

4. A man apt to promise is apt to forget. 

5. He who receives a benefit should never forget it; he who bestows one should never remember it. 

6. Yesterday is dead, forget it; tomorrow does not exist, don't worry; today is here, use it. 

7. Forgive and forget.

8. Don't forget to bolt the door.

9. Nothing improves the memory more than trying to forget.

10. If I change shape, and you forget the time.

11. That's an episode in my life I'd rather forget!

12. Don't forget to take out the garbage.

13. If you fail,don't forget to learn your lesson.

14. Don't forget to lock the door when you leave.

14. Sentencedict.com is a online sentence dictionary, on which you can find nice sentences for a large number of words.

15. I forget that you're just a false impression.

16. Don't forget to bookmark this page.

17. Who could forget his speech at last year's party?

18. Do not forget your duty to your parents.

19. Don't forget to bring sth. back for me.

20. It was typical of her to forget.

21. Don't forget to put the car in the garage.

22. Don't forget to budget for the cost of textbooks.

23. Don't forget to lock the door behind you .

24. I forget, or you have not loved.

25. I'll never forget it to my dying day .

26. We should never remember the benefit we have offered nor forget the favour received. 

27. The three things most difficult are, to keep a secret, to forget an injury, and to make good use of labour. 

28. We should never remember the benefits we have offered nor forget the favour received. 

29. It is the nature of folly to see the faults of others and forget his own. 

30. The secret of a good momory is attention, and attention to a subject depends upon our interest in it-- We rarely forget that which has made a deep impression on our minds.