We assume a common sense as the necessary condition of the universal communicability of our knowledge, which is presupposed in every logic and every principle of knowledge that is not one of skepticism.

Science is organized knowledge. Wisdom is organized life.

Standing armies shall in time be totally abolished.

In all judgements by which we describe anything as beautiful, we allow no one to be of another opinion.

Laws always lose in energy what the government gains in extent.

Thinking in pictures precedes thinking in words.

Upon the solution of this problem, or upon sufficient proof of the impossibility of synthetical knowledge a priori, depends the existence or downfall of metaphysics.