Scientists were rated as great heretics by the church, but they were truly religious men because of their faith in the orderliness of the universe.

Don't listen to the person who has the answers; listen to the person who has the questions.

Although words exist for the most part for the transmission of ideas, there are some which produce such violent disturbance in our feelings that the role they play in the transmission of ideas is lost in the background.

The great moral teachers of humanity were in a way artistic geniuses in the art of living.

God is subtle but he is not malicious.

If I had my life to live over again, I would elect to be a trader of goods rather than a student of science. I think barter is a noble thing.

The contemplation of this world beckoned as a liberation (...)The road to this paradise was not as comfortable and alluring as the road to the religious paradise; but it has shown itself reliable, and I have never regretted having chosen it.