No generation can do another generation's work for it. What we human beings can do at most is to mark out the pathway a little clearer for the generations to come after, and put legible signboards at the points where the greatest dangers have threatened us, in the hope that our posterity will read, understand, and be warned.

Human progress is not an uninterrupted march forward. It is a slow and devious movement with haltings and twistings. The pathway of man ascends and descends, wanders off into mazes. At times the trail seems to lose itself in the wilderness of human passion and folly. But inch by inch it goes forward with halting steps.

Skepticism literally means a thoughtful inquiry, the looking at a problem in a disinterested spirit, the surveying of a question from many sides. In this sense it is the very essence of philosophy and science.

Might does not make right, but right demands that those who hold to it should defend it with all their might.

Science ... is organized common sense.

God is a wider consciousness than we are, a pure intelligence, spiritual life and actuality. He is neither one nor many, neither man nor spirit. Such predicates belong only to finite beings.

No generation can do another generation's work for it. What we human beings can do at most is to mark out the pathway a little clearer for the generations to come after, and put legible signboards at the points where the greatest dangers have threatened us, in the hope that our posterity will read, understand, and be warned.