Would the following phrase be considered positive or negative?

gets full mileage out

positive

Would the following phrase be considered positive or negative?

the joie de vivre even as he creates

positive

Would the following phrase be considered positive or negative?

an effortlessly accomplished and richly resonant work .

positive

Would the following phrase be considered positive or negative?

though he only scratches the surface , at least he provides a strong itch to explore more .
positive