We think of the number "five" as applying to appropriate groups of any entities whatsoever - to five fishes, five children, five apples, five days... We are merely thinking of those relationships between those two groups which are entirely independent of the individual essences of any of the members of either group. This is a very remarkable feat of abstraction; and it must have taken ages for the human race to rise to it

Nobody has a right to speak more clearly than he thinks.

"One and one make two" assumes that the changes in the shift of circumstance are unimportant. But it is impossible for us to analyze this notion of unimportant change.

I have suffered a great deal from writers who have quoted this or that sentence of mine either out of its context or in juxtaposition to some incongruous matter which quite distorted my meaning, or destroyed it altogether.

As society is now constituted, a literal adherence to the moral precepts scattered throughout the Gospels would mean sudden death.

Religion is what the individual does with his own solitariness. Thus religion is solitariness; and if you are never solitary, you are never religious.

People make the mistake of talking about 'natural laws.' There are no natural laws. There are only temporary habits of nature.