Chaos is but unperceived order it is a word indicating the limitations of the human mind and the paucity of observational facts. The words ‘chaos,’ ‘accidental,’ ‘chance,’ ‘unpredictable,’ are conveniences behind which we hide our ignorance.

Theories crumble, but good observations never fade.

It seems to me that the evidence ... is opposed to the view that the spirals are individual galaxies comparable with our own. In fact, there appears as yet no reason for modifying the tentative hypothesis that the spirals are not composed of typical stars at all, but are truly nebulous objects.

The solar system is off center and consequently man is too.

No one trusts a model except the man who wrote it everyone trusts an observation, except the man who made it.