It is beyond a doubt that all our knowledge begins with experience. - Kant 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. - Kant To be is to do. - Kant Thoughts without content are empty, intuitions without concepts are blind. - Kant 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.' - Kant Happiness is not an ideal of reason, but of imagination. - Kant Quotes Gallery – Kant