The more you complain the longer God lets you live

When a man tells you that he knows the exact truth about anything you are safe in inferring that he is an inexact man.

Never let yourself be diverted, either by what you wish to believe, or what you think could have beneficent social effects if it were believed; but look only and solely at what are the facts.

There will still be things that machines cannot do. They will not produce great art or great literature or great philosophy; they will not be able to discover the secret springs of happiness in the human heart; they will know nothing of love and friendship.

Life and hope for the world are to be found only in the deeds of love.

Diet, injections, and injunctions will combine, from a very early age, to produce the sort of character and the sort of beliefs that the authorities consider desirable, and any serious criticism of the powers that be will become psychologically impossible. Even if all are miserable, all will believe themselves happy, because the government will tell them that they are so.

Mathematics may be defined as the subject in which we never know what we are talking about, nor whether what we are saying is true.