His son Jean Antoine served with distinction through all the later campaigns of the reign of Louis XIV., and especially distinguished himself in 1705 at the battle of Cassano, where he was so severely wounded in the neck that he had ever after to wear a silver stock; yet he never rose above the rank of colonel, owing to an eccentric habit of speaking unpleasant truths to his superiors.
German historians of medicine attach great importance to the revolt of Paracelsus against the prevailing systems, and trace in his writings anticipations of many scientific truths of later times.
If there arises a system of philosophy in which all truths are grasped in unity, and it is seen that the principles of things must be what they are, such a philosophy will give us in perfection the idealistic conception of reality and the idealistic guarantees of truth which Kant gave brokenly.
In this, the most memorable of Kepler's multifarious writings, two of the cardinal principles of modern astronomy - the laws of elliptical orbits and of equal areas - were established (see Astronomy: History); important truths relating to gravity were enunciated, and the tides ascribed to the influence of lunar attraction; while an attempt to explain the planetary revolutions in the then backward condition of mechanical knowledge produced a theory of vortices closely resembling that afterwards adopted by Descartes.
I do not object so much to the cynical and satirical fables as to those in which momentous truths are taught by monkeys and foxes.
It is of course a postulate that all truths harmonize, but to give the harmonious whole in a projection in one plane is an undertaking whose adequacy in one sense involves an inadequacy in another.
The limits within which the reason may be used have been laid down differently in different churches and periods of thought: on the whole, modern Christianity, especially in the Protestant churches, tends to allow to reason a wide field, reserving, however, as the sphere of faith the ultimate (supernatural) truths of theology.
Leonardo cannot be regarded as the inventor of that very great variety of truths for which he mentions no earlier source.
They expanded and developed, and applied to new situations and circumstances of the national life, the truths which in a more germinal form they had inherited from their ancestors.
In modern Protestantism, on the other hand, the idea of an infallible authority whether in the Church or the Bible has tended to disappear, religious truths being conceived as valuable only as they are apprehended and made real to the individual mind and soul by the grace of God, not by reason of any submission to an external authority.