The necessities for a nutritive system, a respiratory system, and a vascular system, in all animals of size and vivacity, seem to us legitimately Inferable from the conditions to continued vital activity.
"Essays: Scientific, Political, & Speculative, Vol. I"
Herbert Spencer
If, as above contended, it is Inferable from the process by which a nebulous spheroid was formed, that its outer portions revolved with greater angular velocities than its inner; then the inference which Prof.
"Essays: Scientific, Political, & Speculative, Vol. I"
Herbert Spencer
Were it a necessary assumption that all parts of a concentrating nebulous spheroid revolve with the same angular velocities, the exception would appear an inexplicable one; but if, as suggested in a preceding section, it is Inferable from the process of formation of a nebulous spheroid, that its outer strata will move round the general axis with higher angular velocities than the inner ones, there follows a possible interpretation.
"Essays: Scientific, Political, & Speculative, Vol. I"
Herbert Spencer