The Wise Man Can Change His Mind;

Freedom In The Practical Sense Is The Independence Of The Power Of Choice From Necessitation By Impulses Of Sensibility

Natural Science Physics Contains In Itself Synthetical Judgments A Priori, As Principles. ... Space Then Is A Necessary Representation A Priori, Which Serves For The Foundation Of All External Intuitions.

The Only Thing That Is Good Without Qualification Is A Good Will.

But Only He Who, Himself Enlightened, Is Not Afraid Of Shadows.

It Is Precisely In Knowing Its Limits That Philosophy Consists.