By the last decades of the 21st century, church worship will still take the form of reading passages of traditional texts - the Bible, the Koran, the Rig Veda - but physicist-priests will preside over the ceremonies.

Human uploads have such a natural advantage over present-day people in the environment of space, it's exceedingly unlikely flesh-and-blood beings will ever engage in interstellar travel.

Future generations will know there's nothing mystical about wetware because by 2100, Moore's law will have given us tiny quantum computers powerful enough to upload a human soul.

Frank Tipler Quotes