And of this mental infirmity the Law speaks when it says: "In him who makes a Will or Testament, at the time when he makes the Will or Testament, health of mind, not health of body, is required." But to those intellects which from sickness of mind or body are not infirm, but are free, diligent, and whole in the light of Truth, I say it must be evident that the opinion of the people, which has been stated above, is vain, that is, without any value whatever, worthless.
Afterwards the Song subjoins that I thus judge them to be false and vain; and this it does when it says, "Sound intellect reproves their words As false, and turns away." And afterwards I say that it is time to demonstrate or prove the Truth; and I say that it is now right to state what kind of thing true Nobility is, and how it is possible to know the man in whom it exists; and I speak of this where I say: And now I seek to tell As it appears to me, What is, whence comes, what signs attest A true Nobility..