Prejudice is an opinion without judgment.

It is the first law of friendship that it has to be cultivated. The second is to be indulgent when the first law is neglected.

There's scarce a point whereon mankind agree - So well as in their boast of killing me; I boast of nothing, but when I've a mind - I think I can be even with mankind

Our wretched species is so made that those who walk on the well-trodden path always throw stones at those who are showing a new road.

Mortals are equal; their mask differs.

Which is more dangerous: fanaticism or atheism? Fanaticism is certainly a thousand times more deadly; for atheism inspires no bloody passion whereas fanaticism does; atheism is opposed to crime and fanaticism causes crimes to be committed.

The happiest of all lives is a busy solitude.