It is a natural propensity to attribute misfortune to someone's malignity.

The secret to happiness is to face the fact that the world is horrible.

The problem with the wise is they are so filled with doubts while the dull are so certain.

Many a man will have the courage to die gallantly, but will not have the courage to say, or even to think, that the cause for which he is asked to die is an unworthy one.

Do not use power to suppress opinions you think pernicious, for if you do the opinions will suppress you.

Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.

The fact that an opinion has been widely held is no evidence whatever that it is not utterly absurd; indeed in view of the silliness of the majority of mankind, a widely spread belief is more likely to be foolish than sensible.