Read the excerpt below and answer the question. ...it is certainly a subject worth our labour to inquire into the origin, certainty, and extent of human knowledge, together with the grounds and degre

Read the excerpt below and answer the question.

...it is certainly a subject worth our labour to inquire into the origin, certainty, and extent of human knowledge, together with the grounds and degrees of belief, opinion, and assent;... ("An Essay Concerning Human Understanding"; Introduction, p. 1).

Which identifies an explicit meaning of the excerpt?

His topic of human knowledge is worth the time and effort it requires.

Belief is a phenomenon few people can explain.

His theory of how humans obtain knowledge is questionable. Human knowledge is boundless.