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.
Opinions alter, manners change, creeds rise and fall, but the moral laws are written on the table of eternity.
Power tends to corrupt, and absolute power corrupts absolutely.
A wise person does at once, what a fool does at last. Both do the same thing; only at different times.
To be able to look back upon one's past life with satisfaction is to live twice.
Every thing secret degenerates, even the administration of justice; nothing is safe that does not show how it can bear discussion and publicity.
The danger is not that a particular class is unfit to govern. Every class is unfit to govern.