There are many justifications of silence; there can be none of insincerity.

Philosophy and Art both render the invisible visible by imagination.

Books have become our dearest companions, yielding exquisite delights and inspiring lofty aims.

Every one who has seriously investigated a novel question, who has really interrogated Nature with a view to a distinct answer, will bear me out in saying that it requires intense and sustained effort of imagination.

The true function of philosophy is to educate us in the principles of reasoning and not to put an end to further reasoning by the introduction of fixed conclusions.

As all Art depends on Vision, so the different kinds of Art depend on the different ways in which minds look at things.

In all sincere speech there is power, not necessarily great power, but as much as the speaker is capable of.