That Logic has advanced in this sure course, even from the earliest times, is apparent from the fact that, since Aristotle, it has been unable to advance a step, and thus to all appearance has reached its completion.
Immanuel KantImagination is a powerful agent for creating, as it were, a second nature out of the material supplied to it by actual nature.
Immanuel KantNature does nothing in vain, and in the use of means to her goals she is not prodigal.
Immanuel KantMetaphysics is a dark ocean without shores or lighthouse, strewn with many a philosophic wreck.
Immanuel KantParents usually educate their children merely in such a manner than however bad the world may be, they may adapt themselves to its present conditions. But they ought to give them an education so much better than this, that a better condition of things may thereby be brought about by the future.
Immanuel Kant