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

A man may be variously accomplished, and yet be a feeble poet.

The delusions of self-love cannot be prevented, but intellectual misconceptions as to the means of achieving success may be corrected.

In its happiest efforts, translation is but approximation, and its efforts are not often happy. A translation may be good as translation, but it cannot be an adequate reproduction of the original.

No man ever made a great discovery without the exercise of the 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.

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