Sincerity is moral truth.

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.

Science is not addressed to poets.

It is not enough that a man has clearness of vision, and reliance on sincerity, he must also have the art of expression, or he will remain obscure.

Personal experience is the basis of all real literature.

If you feel yourself to be above the mass, speak so as to raise the mass to the height of your argument.

All good Literature rests primarily on insight.