The fundamentals have gone for a toss

 25 Fundamental Mantras for Good Testing

1. Why are you testing - Know it
2. Ask it if you don't know it
3. Confirm it if you are not sure about it
4. Test it out before believing anything
5. Listen to everyone but you take the final decision
6. Save as soon as you see it
7. Try for Autosave wherever possible
8. Take backups
9. Pay attention to the Context
10. Pincode can have letters, names can have special characters. Study the domain well
11. Document well, read documentation well
12. Write clearly, Think deeply, Read widely
13. Use tools wherever it helps
14. Know limitation of tools
15. Have a large network of friends and fieldstones
16. Learn to connect the dots across fields
17. If you can model well, you can test well
18. Know mnemonics and heuristics
19. Pay attention to keywords - always, never, must, should, obvious
20. Learn Safety Language
21. Keep collecting fieldstones
22. Start recording and then testing. Never waste time unless it is part of a test
23. There is no one good way of testing. 
24. Testers can get bored easily if you keep doing mundane stuff. Add variety to your questions, ideas, routines.
25. There is already a lot of work done by the community. Learn to search well.
26. Organize well.