The way in which the persecution of Galileo has been remembered is a tribute to the quiet commencement of the most intimate change in outlook which the human race had yet encountered. Since a babe was born in a manger, it may be doubted whether so great a thing has happened with so little stir

I would be a billionaire if I was looking to be a selfish boss. That's not me.

An open mind is all very well in its way, but it ought not to be so open that there is no keeping anything in or out of it.

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

The misconception which has haunted philosophic literature throughout the centuries is the notion of 'independent existence.' There is no such mode of existence; every entity is to be understood in terms of the way it is interwoven with the rest of the universe.

The difference between ancients and moderns is that the ancients asked what have we experienced, and moderns asked what can we experience.

The total absence of humor from the Bible is one of the most singular things in all literature.