Every philosophy is tinged with the coloring of some secret imaginative background, which never emerges explicitly into its train of reasoning.

The point about zero is that we do not need to use it in the operation of daily life. No one goes out to buy zero fish.

No reason can be given for the nature of God, because that nature is the ground of rationality.

[In many circumstances,] the most important thing about a proposition is not that it be true, but that it be interesting.

Peace is self-control at its widest-at the width where the "self" has been lost, and interest has been transferred to coordinations wider than personality.

A clash of doctrine is not a disaster, it is an opportunity.

The aims of scientific thought are to see the general in the particular and the eternal in the transitory.