I have always believed that astrophysics should be the extrapolation of laboratory physics, that we must begin from the present universe and work our way backward to progressively more remote and uncertain epochs.
Hannes AlfvenWe should remember that there was once a discipline called natural philosophy. Unfortunately, this discipline seems not to exist today. It has been renamed science, but science of today is in danger of losing much of the natural philosophy aspect.
Hannes AlfvenTo try to write a grand cosmical drama leads necessarily to myth. To try to let knowledge substitute ignorance in increasingly larger regions of space and time is science.
Hannes AlfvenIf a problem is too difficult to solve, one cannot claim that it is solved by pointing at all the efforts made to solve it.
Hannes Alfven