'My heart smiled within me.' 'They will even attack virtue itself with harsh and shameful words.'
'My heart smiled within me.' 'They will accuse even virtue herself; with heinous and opprobrious words.'
You must be taught before you can write or read. It's even more true with life. You are born a slave to your senses and animal impulses. Without teaching, you have no real knowledge or sound judgment.
In matter of writing or reading thou must needs be taught before thou can do either: much more in matter of life. 'For thou art born a mere slave, to thy senses and brutish affections;' destitute without teaching of all true knowledge and sound reason.