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The sequence of the planetary motions was discovered by Kepler, but it was reserved for Newton to prove the theoretical necessity of this motion and establish its mathematical relations.

What in the current half-year's term I was regarding rather from a theoretical standpoint, I intended in the next half-year to study practically as a factor of actual life: hence I passed to organic chemistry and geology.

And, besides its theoretical inconsistency, he insisted that it produced many great and practical mischiefs, among which he placed in the front "the keeping up in people's minds the notion of a separate kingdom; the affording a hotbed of faction and intrigue; the presenting an image of Majesty so faint and so feeble as to be laughed at and scorned.

To those who may be disposed to regard the above statements concerning the "planes of being" as somewhat visionary, theoretical, or imaginary, we would say: "Go to modern science, and verify this statement."

The Catholic welcomes these evidences of the duality of Christ's intellectual life. On the theoretical side, they confirm the central dogma of orthodox Christology. On the practical side, they give him authority for seeking Christ's sympathy in matters intellectual.

If you can find trees in the vicinity which do give satisfactory fruit under the rainfall, you would have a practical demonstration which would be more trustworthy than any forecast which could be prepared upon theoretical grounds. Condensation for Irrigation.

The result really follows from a number of premises, but the mind passes over these so rapidly that it seems the guess was made instantaneously. The prophet must have these two faculties in a high degree. Witness Moses braving the wrath of a great king. Some prophets also have their rational powers more highly developed than those of an ordinary person who perfects his reason by theoretical study.

Thus, in a theoretical sense, it takes us back at the same time that in a practical sense it leads us on and ennobles us. Unhappily it places behind us the end towards which it ought to lead us, and consequently it can only inspire us with the sad feeling of a loss, and not the joyous feeling of a hope.

Led by various theoretical considerations which I cannot now discuss, but which looked promising enough in the lights of their time, Buffon and Needham doubted the applicability of Redi's hypothesis to the infusorial animalcules, and Needham very properly endeavoured to put the question to an experimental test.

A certain conception of a proper standard of living, hygiene, economic security, and human dignity. The industry may be far below the theoretical standard of the community, and the workers may be too wretched to protest. Conditions may be above the standard, and the workers may protest violently. The standard is at best a vague measure.