One has a feeling that one has a kind of home in this timeless community of human beings that strive for truth. ... I have always believed that Jesus meant by the Kingdom of God the small group scattered all through time of intellectually and ethically valuable people.

[Newton wrote to Halley ... that he would not give Hooke any credit] That, alas, is vanity. You find it in so many scientists. You know, it has always hurt me to think that Galileo did not acknowledge the work of Kepler.

During the youthful period of mankind's spiritual evolution human fantasy created gods in man's own image, who, by the operations of their will were supposed to determine, or at any rate to influence, the phenomenal world. Man sought to alter the disposition of these gods in his own favour by means of magic and prayer.

The value of a man should be seen in what he gives and not in what he is able to receive.

...and knowledge is one of the finest attributes of man - though often it is most loudly voiced by those who strive for it the least.

Beyond the realms of what we see, into the regions or the unexplored limited only by our imaginations.

It was the experience of mystery - even if mixed with fear - that engendered religion.