To know that one knows what one knows, and to know that one doesn't know what one doesn't know, there lies true wisdom.

Think no vice so small that you may commit it, and no virtue so small that you may over look it.

Can there be a love which does not make demands on its object?

To learn and from time to time to apply what one has learned - isn't that a pleasure?

Everything has beauty, but not everyone sees it.

Never hesitate to ask a lesser person.

We are so busy doing the urgent that we don't have time to do the important.