Science repudiates philosophy. In other words, it has never cared to justify its truth or explain its meaning.

Algebra is the intellectual instrument which has been created for rendering clear the quantitative aspects of the world.

Human life is driven forward by its dim apprehension of notions too general for its existing language.

No religion can be considered in abstraction from its followers, or even from its various types of followers.

To see what is general in what is particular, and what is permanent in what is transitory, is the aim of scientific thought.

You think the world is what it looks like in fine weather at noon day; I think it is what it seems like in the early morning when one first wakes from deep sleep.

It is the business of the future to be dangerous.