The first step towards knowledge is to know that we are ignorant.

The larger the island of knowledge, the longer the shoreline of wonder.

Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.

The true method of knowledge is an experiment.

To know is to know that you know nothing. That is the meaning of true knowledge.

Knowledge is the life of the mind.

A single conversation across the table with a wise man is better than ten years' of mere study of books.

You teach best what you most need to learn.

Human behavior flows from three main sources: desire, emotion, and knowledge.

The brighter you are, the more you have to learn.