Expect problems and eat them for breakfast.
To know oneself, one should assert oneself.
If you can dream it, you can do it.
If you're going through hell, keep going.
If you've got a talent, protect it.
Do not weep do not wax indignant. Understand.
Be thine own palace, or the world's thy jail.
Well done is better than well said.
Always desire to learn something useful.
What you do today can improve all your tomorrows.
The skills of the British intelligence community are a great national asset.