Who said “Every thing secret degenerates, even the administration of justice; nothing is safe that…”?

“A man's most open actions have a secret side to them.”

“I know that's a secret, for it's whispered everywhere.”

“There are no secrets better kept than the secrets that everybody guesses.”

“We dance round in a ring and suppose, but the secret sits in the middle and knows.”

“But he that hides a dark soul and foul thoughts benighted walks under the mid-day sun; Himself is his own dungeon.”

“Power tends to corrupt, and absolute power corrupts absolutely.”

“The danger is not that a particular class is unfit to govern. Every class is unfit to govern.”

“There are two things which cannot be attacked in front: ignorance and narrow-mindedness. They can only be shaken by the simple development of the contrary qualities. They will not bear discussion.”

“To be able to look back upon one's past life with satisfaction is to live twice.”

“A wise person does at once, what a fool does at last. Both do the same thing; only at different times.”

“Opinions alter, manners change, creeds rise and fall, but the moral laws are written on the table of eternity.”