Science without philosophy, facts without perspective and valuation, cannot save us from havoc and despair. Science gives us knowledge, but only philosophy can give us wisdom. The Story of Philosophy (1926)
Every science begins as philosophy and ends as art; it arises in hypothesis and flows into achievement. The Story of Philosophy (1926)
In Epictetus the Greco-Roman soul has lost its paganism, and is ready for a new faith". The Story of Philosophy (1926)
Great organizers, as much as inevitable slaves, tend to stoic moods: it is difficult to be either master or servant if one is sensitive. The Story of Philosophy (1926)
Philosophy is a hypothetical interpretation of the unknown (as in metaphysics), or of the inexactly known (as in ethics or political philosophy); it is the front trench in the siege of truth. The Story of Philosophy (1926)
Science tells us how to heal and how to kill; it reduces the death rate in retail and then kills us wholesale in war; but only wisdom — desire coordinated in the light of all experience — can tell us when to heal and when to kill. The Story of Philosophy (1926)