What's in the brain that ink may character (Sonnet 108)

What’s in the brain that ink may character
Which hath not figured to thee my true spirit?
What’s new to speak, what new to register,
That may express my love or thy dear merit?
Nothing, sweet boy; but yet, like prayers divine,
I must each day say o’er the very same,
Counting no old thing old, thou mine. I thine,
Even as when first I hallow’d thy far name.
So that eternal love in love’s fresh case
Weights not the dust and the injury of the age,
Nor gives to necessary wrinkles place,
But makes antiquity for aye his page,
Finding the first conceit of love there bred
Where time and outward form would show it dead.

William Shakespeare