Sorrow is knowledge, those that know the most must mourn the deepest, the tree of knowledge is not the tree of life.

It is an infantile superstition of the human spirit that virginity would be thought a virtue and not the barrier that separates ignorance from knowledge.

Data is not information, information is not knowledge, knowledge is not understanding, understanding is not wisdom.

I'm a student of world religion, so to me, it's hugely important to have knowledge and to understand what people are doing.

Music is the one incorporeal entrance into the higher world of knowledge which comprehends mankind but which mankind cannot comprehend.

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.