Testimony should be a philosophical problem and not limited to legal or historical contexts where it refers to the account of a witness who reports what he has seen.
What must be the nature of the world... if human beings are able to introduce changes into it?
If the Resurrection is resurrection from the dead, all hope and freedom are in spite of death.
This is perhaps the most profound meaning of the book of Job, the best example of wisdom.
Wisdom finds its literary expression in wisdom literature.