Geniuses -

genius ernst mach

Ernst Mach

Knowledge and error flow from the same mental sources; only success can tell one from the other.

Ernst Mach

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genius ernst mach

Obviously it matters little if we think of the earth as turning about on its axis, or if we view it at rest while the fixed stars revolve around it. Geometrically these are exacly the same case of a relative rotation of the earth and the fixed stars with respect to one another.

Ernst Mach

genius ernst mach

To us investigators, the concept 'soul' is irrelevant and a matter for laughter.

Ernst Mach