Alfred North Whitehead

Fools act on imagination without knowledge, pedants act on knowledge without imagination.

Intelligence is quickness to apprehend as distinct form ability, which is capacity to act wisely on the thing apprehended.

Ideas won't keep; something must be done about them.

In the final analysis, it is your decision to make, but it doesn't move as fast as I'd like it to move.

It is hardly surprising that women concentrate on the way they look instead of what is in their minds since not much has been put in their minds to begin with.

I think it's obvious that democracy is something that is contagious, and it always has been.