You Fail By Default When

The Inner Eye Does Not See Upon Command.

Now, It Is The View Of The Ministry That A Theoretical Knowledge Will Be More Than Sufficient To Get You Through Your Examination, Which, After All, Is What School Is All About.

Deliberately Causing Mayhem In Snape's Potions Class Was About As Safe As Poking A Sleeping Dragon In The Eye.

Don't Be Silly, Dawlish. I'm Sure You Are An Excellent Auror, I Seem To Remember You Achieved 'outstanding' In All Your N.e.w.t.s, But If You Attempt To — Er — 'bring Me In' By Force, I Will Have To Hurt You.

The World Is My Oyster. I Can Do Whatever I Like.