Pessimism is only the name that men of weak nerves give to wisdom.
Little minds are interested in the extraordinary; great minds in the commonplace.
If you can't answer a man's arguments, all is not lost; you can still call him vile names.
Every tyrant who has lived has believed in freedom for himself.
A retentive memory may be a good thing, but the ability to forget is the true token of greatness.
The supernatural is the natural not yet understood.