Diversity is essential to happiness and in Utopia there is hardly any. This is a defect in all planned social systems.

I cannot escape from the conclusion that the great ages of progress have depended upon a small number of individuals of transcendent ability.

Really high-minded people are indifferent to happiness, especially other people's.

What's the difference between a bright, inquisitive five-year-old, and a dull, stupid nineteen-year-old? Fourteen years of the British educational system.

If we compare Europe with other continents, it is marked out as [another] persecuting continent.

Men who are unhappy, like men who sleep badly, are always proud of the fact.

No one gossips about other people's secret virtues.