思想之流，意识之流，总是在流动。

The quantum world appears to us as a web of relations rather than a collection of objects.

The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.

过去是一个异国，他们在那里做事的方式不同。