Ecclesiastes 2:7

2:7 I purchased male and female slaves,

and I owned slaves who were born in my house;

I also possessed more livestock – both herds and flocks –

than any of my predecessors in Jerusalem.

Ecclesiastes 12:3

12:3 when those who keep watch over the house begin to tremble,

and the virile men begin to stoop over,

and the grinders begin to cease because they grow few,

and those who look through the windows grow dim,