Sir Francis Walsinghamwas principal secretary to Queen Elizabeth I of England from 20 December 1573 until his death and is popularly remembered as her "spymaster"... (wikipedia)
I call God to witness that as a private person I have done nothing unbeseeming an honest man, nor, as I bear the place of a public man, have I done anything unworthy of my place.
There is less danger in fearing too much than too little.
There is nothing more dangerous than security.
Knowledge is never too dear.