We hear and apprehend only what we already half know.

It is only when we forget out learning that we begin to know.

It is only when we forget all our learning that we begin to know.

Men have a respect for scholarship and learning greatly out of proportion to the use they commonly serve.

Explore your higher latitudes . . . be a Columbus to whole new continents and worlds within you, open new channels, not of trade but of thought.

We do not enjoy poetry unless we know it to be poetry.