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.

Quote by Bertrand Russell

Topics: Bertrand Russell Quotes

A life without adventure is likely to be unsatisfying, but a life in which adventure...

A life without adventure is likely to be unsatisfying, but a life in which adventure...

The need for prostitution arises from the fact that many men are either unmarried or...

The need for prostitution arises from the fact that many men are either unmarried or...

The root of the matterï¿½ the thing I meanï¿½ is love, Christian love, or compassion....

The root of the matterï¿½ the thing I meanï¿½ is love, Christian love, or compassion....

A sense of duty is useful in work but offensive in personal relations. People wish...

A sense of duty is useful in work but offensive in personal relations. People wish...

If two hitherto rival football teams, under the influence of brotherly love, decided to co-operate...

If two hitherto rival football teams, under the influence of brotherly love, decided to co-operate...

Sex outside marriage is sin; sex within marriage is not sin.

Sex outside marriage is sin; sex within marriage is not sin.

Religions that teach brotherly love have been used as an excuse for persecution, and our...

Religions that teach brotherly love have been used as an excuse for persecution, and our...

Dogmatism and skepticism are both, in a sense, absolute philosophies; one is certain of knowing,...

Dogmatism and skepticism are both, in a sense, absolute philosophies; one is certain of knowing,...

Our individual life is brief, and perhaps the whole life of mankind will be brief...

Our individual life is brief, and perhaps the whole life of mankind will be brief...

His wit and irony - particularly when he uses them to condemn superstition - are...

His wit and irony - particularly when he uses them to condemn superstition - are...

There is much pleasure to be gained from useless knowledge.

There is much pleasure to be gained from useless knowledge.

Most people would sooner die than think; in fact, they do so.

Most people would sooner die than think; in fact, they do so.

Thought is great and swift and free, the light of the world, the chief glory...

Thought is great and swift and free, the light of the world, the chief glory...

Reason is a harmonising, controlling force rather than a creative one.

Reason is a harmonising, controlling force rather than a creative one.

A large proportion of the human race, it is true, is obliged to work so...

A large proportion of the human race, it is true, is obliged to work so...

The purpose of life is the expansion of happiness.

The purpose of life is the expansion of happiness.

No man can be a good teacher unless he has feelings of warm affection toward...

No man can be a good teacher unless he has feelings of warm affection toward...

The difference between mind and brain is not a difference of quality, but a difference...

The difference between mind and brain is not a difference of quality, but a difference...

Some minds improve by travel, others, rather, resemble copper wire, or brass, which get the...

Some minds improve by travel, others, rather, resemble copper wire, or brass, which get the...

Emancipate yourselves from mental slavery, none but ourselves can free our minds!

Emancipate yourselves from mental slavery, none but ourselves can free our minds!