There are many degrees of Probable, some nearer Truth than others, in the determining of which lies the chief exercise of our Judgment.

I do not believe anything very certainly, but everything very probably.

The world is my country. Science my religion.

It is surrounded by a thin flat ring, inclined to the ecliptic, and nowhere touches the body of the planet.

One may conceive light to spread successively, by spherical waves.

It's evident God had no design to make a particular Enumeration in the Holy Scriptures, of all the Works of his Creation.

What a wonderful and amazing Scheme have we here of the magnificent Vastness of the Universe! So many Suns, so many Earths.

The rest of the planets have their dress and furniture, nay and their inhabitants too, as well as this Earth of ours.

Here we may mount from this dull Earth, and viewing it from on high, consider whether Nature has laid out all her Cost and Finery upon this small Speck of Dirt.

I do not mind at all that Newton is not a Cartesian provided he does not offer us suppositions like that of attraction.

I had not thought of this regular decrease of gravity, namely that it is as the inverse square of the distance; this is a new and highly remarkable property of gravity.

If we spend enough time dreaming, then the dream might eventually become real.

For this reason poetry is something more philosophical and more worthy of serious attention than history.

Computer science has as much to do with computers as astronomy has to do with telescopes.

I did exhibitions with the Surrealists (in Paris, in 1929) because their attitude revolted against 'art' and their attitude toward life itself was wise, as was Dada's.

Limited minds can recognize limitations only in others.

Still, life carries on. Exams to be examined. Serious things to be thingied.

The mental disease of the present generation is impatience of study, contempt of the great masters of ancient wisdom, and a disposition to rely wholly upon unassisted genius and natural sagacity.

Christ has no body now on earth but yours.

Men will believe anything at all provided they are under no obligation to believe it.