Even philosophers will praise war as ennobling mankind, forgetting the Greek who said: ‘War is bad in that it begets more evil than it kills.’
He who is cruel to animals becomes hard also in his dealings with men. We can judge the heart of a man by his treatment of animals.
But although all our knowledge begins with experience, it does not follow that it arises from experience.
Intuition and concepts constitute… the elements of all our knowledge, so that neither concepts without an intuition in some way corresponding to them, nor intuition without concepts, can yield knowledge.
All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.
Immaturity is the incapacity to use one’s intelligence without the guidance of another.