1. Sloth is the key of [to] poverty. 

2. The wife is the key of the house. 

3. A golden key opens every door. 

4. Doubt is the key of knowledge. 

5. A golden key can open any door. 

6. The used key is always bright. 

7. Money is the key that opens all doors. 

8. Idleness is the key of beggary. 

9. Idleness is the key of beggary, and the root of all evil. 

10. Knowledge is a Treasure, but Practice is the key to it. 

11. Knowledge is a treasure, but practice is the key to it. Lao Tzu 

12. He keyed the piano up to a concert pitch.

13. My keys are in my coat pocket.

14. Has anyone seen my keys lying about?

15. I forgot my key inside my room.

16. He assumed direct control of key ministries.

17. The key is hanging on a string by the door.

18. He took a small key from his pocket and slowly inserted it into the lock.

19. We left in a hurry and I must have left my keys behind.

20. Music and arts have always played the key role in my life.

20. Wish you will love and make progress everyday!

21. Kier wanted to be a go-go dancer, then a psychologist, then a textile designer.

22. The business will be rebadged Kier Milne.

23. That's the message from Kier Group, one of Britain's largest construction companies.

24. In the true spirit of recycling, Kier is to use the money in green waste industry.

25. Construction company Kier said the five injured workers had been kept in hospital overnight.

26. Costain is on the shortlist against Laing O'Rourke, Balfour Beatty and the Kier consortium.

27. The consortium beat competition from Balfour Beatty and a group that included Kier, Costain's arch-rival.

28. Norfolk and Suffolk police have been singled out by director of public prosecutions Kier Starmer QC.