Experience without theory is blind, but theory without experience is mere intellectual play.

It is beyond a doubt that all our knowledge that begins with experience.

But although all our knowledge begins with experience, it does not follow that it arises from experience.

It is not God's will merely that we should be happy, but that we should make ourselves happy.

It is not God's will merely that we should be happy, but that we should make ourselves happy.

Morality is not the doctrine of how we may make ourselves happy, but how we may make ourselves worthy of happiness.

Happiness is not an ideal of reason, but of imagination.

All the interests of my reason, speculative as well as practical, combine in the three following questions: 1. What can I know? 2. What ought I to do? 3. What may I hope?

What can I know? What ought I to do? What can I hope?

Happiness is not an ideal of reason, but of imagination.