The mind reaches great heights only by spurts.
It is a great sign of mediocrity to praise always moderately.
As it is natural to believe many things without proof, so, despite all proof, is it natural to disbelieve others.
It is easy to criticize an author, but difficult to appreciate him.
Some authors regard morality in the same light as we regard modern architecture. Convenience is the first thing to be looked for.
Men despise great projects when they do not feel themselves capable of great successes.