Science is a way of thinking much more than it is a body of knowledge.

Knowledge becomes evil if the aim be not virtuous.

The good life is one inspired by love and guided by knowledge.

Dogmatism and skepticism are both, in a sense, absolute philosophies one is certain of knowing, the other of not knowing. What philosophy should dissipate is certainty, whether of knowledge or ignorance.

Liberty cannot be preserved without general knowledge among the people.