But let that man with better sense advise

advise > consider

2 That of the world least part to us is read:

least > [the least]
read > discerned; known

3 And daily how through hardy enterprise
4 Many great regions are discovered,
5 Which to late age were never mentioned.

to late age > [to those living in recent times]

6 Who ever heard of the Indian Peru?

Indian > (America was thought to be India)

7 Or who in venturous vessel measured

venturous > bold, daring; adventurous
measured > measured; traversed

8 The Amazon's huge river, now found true?
9 Or fruitfullest Virginia who did ever view?

200.3

Yet all these were, when no man did them know;
2 Yet haue from wisest ages hidden beene:
And later times things more vnknowne shall show.
4 Why then should witlesse man so much misweene
That nothing is, but that which he hath seene?
6 What if within the Moones faire shining spheare?
What if in euery other starre vnseene
8 Of other worldes he happily should heare?
He wonder would much more: yet such to some appeare.

1 Yet all these were, when no man did them know;
2 Yet have from wisest ages hidden been:
3 And later times things more unknown shall show.
4 Why then should witless man so much misween

misween > hold the wrong opinion

5 That nothing is, but that which he has seen?
6 What if within the moon's fair shining sphere;
7 What if in every other star unseen
8 Of other worlds he happily should hear?

happily > perhaps; by chance; by good fortune; with mental pleasure

9 He wonder would much more: yet such to some appear.

more > [further]

200.4

Of Faerie lond yet if he more inquire,
2 By certaine signes here set in sundry place
He may it find; ne let him then admire,
4 But yield his sence to be too blunt and bace,
That no'te without an hound fine footing trace.
6 And +thou+, O fairest Princesse vnder sky,
In this faire mirrhour maist behold thy face,
8 And thine owne realmes in lond of Faery,
And in this antique Image thy great auncestry.

6 thou > then _1590_

1 Of Faery Land yet if he more inquire,

inquire > seek

2 By certain signs here set in sundry place

sundry place > [various places]

3 He may it find; neither let him then admire,

admire > {Feel or express astonishment}

4 But yield his sense to be too blunt and base,

yield > concede