Doubt is not a pleasant condition, but certainty is absurd.
The multitude of books is making us ignorant.
History consists of a series of accumulated imaginative inventions.
The famous physician Dumoulin said when dying, 'I leave two great physicians behind me, simple food and pure water.'
Be bold, proclaim it everywhere: They only live who dare.
As long as people believe in absurdities they will continue to commit atrocities.