Heart and Brain are the two lords of life. In the metaphors of ordinary speech and in the stricter language of science, we use these terms to indicate two central powers, from which all motives radiate, to which all influences converge.

The artist is called a creator.

Insincerity is always weakness; sincerity even in error is strength.

The public can only be really moved by what is genuine.

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

Endeavour to be faithful, and if there is any beauty in your thought, your style will be beautiful; if there is any real emotion to express, the expression will be moving.

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.