In every department of physical science there is only so much science, properly so-called, as there is mathematics. – Immanuel 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. – Immanuel Kant
Experience without theory is blind, but theory without experience is mere intellectual play. – Immanuel Kant
Since Hiroshima and the Holocaust, science no longer holds its pristine place as the highest moral authority. Instead, that role is taken by human rights. It follows that any assault on Jewish life – on Jews or Judaism or the Jewish state – must be cast in the language of human rights. – Jonathan Sacks