This illustrates an important truth, namely, that the worse your logic, the more interesting the consequences to which it gives rise.

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

My sad conviction is that people can only agree about what they're not really interested in.

I conclude that, while it is true that science cannot decide questions of value, that is because they cannot be intellectually decided at all, and lie outside the realm of truth and falsehood. Whatever knowledge is attainable, must be attained by scientific methods; and what science cannot discover, mankind cannot know.

Boredom is... a vital problem for the moralist, since half the sins of mankind are caused by the fear of it.

[There are m]oral precepts that we consider really important, such as 'don't pick your nose' or 'don't eat peas with a knife'. There may, for ought I know, be admirable reasons for eating peas with a knife, but . . . early persuasion has made me completely incapable of appreciating them.

It is undesirable to believe a proposition when there is no ground whatever for supposing it true